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Introduction\n\n[](https://badge.fury.io/js/@ampproject/toolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express@beta\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"182e821deefc39940858ab46912e55f1f3da59f5","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"lerna/3.15.0/node@v10.16.0+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"10.16.0","dependencies":{"mime-types":"2.1.24","whatwg-url":"7.0.0","@ampproject/toolbox-core":"^1.0.0-beta.3","@ampproject/toolbox-optimizer":"^1.0.0-beta.3","@ampproject/toolbox-runtime-version":"^1.0.0-beta.3"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_1.0.0-beta.3_1561024231624_0.2610343036154772","host":"s3://npm-registry-packages"}},"1.0.0-beta.4":{"name":"@ampproject/toolbox-optimizer-express","version":"1.0.0-beta.4","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@1.0.0-beta.4","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"prateekbh","email":"prateek89born@gmail.com"},{"name":"sepandparhami","email":"sparhami@google.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"54ece85056b24169432553b532c8e98800019266","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-1.0.0-beta.4.tgz","fileCount":5,"integrity":"sha512-fX6OyyD8/7kwOjmPLwrlDF/cBbCdKI7s0Az90LXFReXzcBRSW8HT3vk6pbpa3A7zeKhBR+mnhDnLJbLY+pSD3A==","signatures":[{"sig":"MEUCIGvsOaixuRYjTi9QkX/ptYZFVVF6c1ledaYLQ9HHqRlRAiEAjAJ4Q0Gt6C0p2ZcP9QnK1M9kFaDSEBB/m/SWLYchbww=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":11511,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n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\nbH/c\r\n=EXa8\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/@ampproject/toolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express@canary\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"cb496f081c871a25dc73113ae1e1fccfb59b2732","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"6.9.0","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"10.16.0","dependencies":{"mime-types":"2.1.24","whatwg-url":"7.0.0","@ampproject/toolbox-core":"^1.0.0-beta.4","@ampproject/toolbox-optimizer":"^1.0.0-beta.4","@ampproject/toolbox-runtime-version":"^1.0.0-beta.4"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_1.0.0-beta.4_1562855894981_0.11304316098763967","host":"s3://npm-registry-packages"}},"1.0.0-beta.5":{"name":"@ampproject/toolbox-optimizer-express","version":"1.0.0-beta.5","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@1.0.0-beta.5","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"prateekbh","email":"prateek89born@gmail.com"},{"name":"sepandparhami","email":"sparhami@google.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"1f69df654742671d428b5813bdf5f5be884d28c8","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-1.0.0-beta.5.tgz","fileCount":6,"integrity":"sha512-QqDSxdAXfgSDtrRe8BfC7Bz2C6win0AkkUU+CT7jmH/WHPMG7D6xGtXYLTGit6rUq1HrJUXXtEUmBu1YKRHKYg==","signatures":[{"sig":"MEUCIA7vur7X961btldHQMOlqMe8A3BQDrhS41e/Uuo4vrlTAiEAupCqOTzqOCztC6VsrW+YM7JVEQYg68iF9ChmqA0xqS0=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22854,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n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\na2Yj\r\n=O2UI\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/@ampproject/toolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express@canary\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"630677e390bf5f63f82f4d2c6a0c53a20c33bc2e","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"lerna/3.15.0/node@v10.16.0+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"10.16.0","dependencies":{"mime-types":"2.1.24","whatwg-url":"7.0.0","@ampproject/toolbox-core":"^1.0.0-beta.5","@ampproject/toolbox-optimizer":"^1.0.0-beta.5","@ampproject/toolbox-runtime-version":"^1.0.0-beta.5"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_1.0.0-beta.5_1563204970270_0.3354522742335193","host":"s3://npm-registry-packages"}},"1.0.0-beta.6":{"name":"@ampproject/toolbox-optimizer-express","version":"1.0.0-beta.6","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@1.0.0-beta.6","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"prateekbh","email":"prateek89born@gmail.com"},{"name":"sepandparhami","email":"sparhami@google.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"ecf327c9761f0d9c40c911e78f091d54521909cb","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-1.0.0-beta.6.tgz","fileCount":5,"integrity":"sha512-1PCFz3CG+MjWoxArfvxMSjmUEmOJ25nwiOlu9/J2eZTkLUNOnlFJGbcFh3l5x64DvoztLQ1R889mOza+UKskCg==","signatures":[{"sig":"MEQCIFh+4Sv0ydlpHmoSSDK5c2Tp2COaYCBVigoGxhcaw3jWAiACksiEY/9thoPKbritAGEo/uGj0fLVlDZGDLucSR/2zA==","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":11511,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n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\niZPV\r\n=4c+Y\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/@ampproject/toolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express@canary\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"4c1963ce6f32ce607ce3925653ab38db250e79c3","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"6.9.0","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"10.16.0","dependencies":{"mime-types":"2.1.24","whatwg-url":"7.0.0","@ampproject/toolbox-core":"^1.0.0-beta.6","@ampproject/toolbox-optimizer":"^1.0.0-beta.6","@ampproject/toolbox-runtime-version":"^1.0.0-beta.6"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_1.0.0-beta.6_1563886945276_0.771005190237191","host":"s3://npm-registry-packages"}},"1.0.0-beta.7":{"name":"@ampproject/toolbox-optimizer-express","version":"1.0.0-beta.7","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@1.0.0-beta.7","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"prateekbh","email":"prateek89born@gmail.com"},{"name":"sepandparhami","email":"sparhami@google.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"458604857b6b6a10b5a2ea60dada17c71c060e9a","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-1.0.0-beta.7.tgz","fileCount":6,"integrity":"sha512-CeuO2QoKvB0KuH/mPX8TPhsNVKW/VHvVD0BHGXyjcOuJ+gl3S6yszZAnQaHF7mHILBaMLYwMdAzuIgdJUz5UXQ==","signatures":[{"sig":"MEQCIGmqb0bEbpp2Lr6luGrfdxEMo0dqe16wlUt7I2hC87/0AiAKKMHD3XfJjrl3/Vid+kw3ScX0V/it6aZpOu2voGOXqg==","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22854,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n\r\nwsFcBAEBCAAQBQJdOGJuCRA9TVsSAnZWagAAxiUP/39mPajjvn74pzILzSEP\n08Kff08igh+AaJS+4NKbnJ2QllyR8eTBzqGkEdGFOrleAkLzbc9A1jacd9af\npKaShobiMoBuqpZ9QIfbuaxyDihVqk3S2acvBIw8Qp3cuPrfndFVDriNqvyw\nvnM2/FvQp0TV3Otw6DAoyteHYG4TuYyGAhok3EDr3ERcL1UvxGygay4cUsyo\nJv4Obeb8amCEjMbg9nPEX3RrINd1BXwiDFjYGFXUut/ttobxGDZglUy4o1Ej\nT6h1EHIIfx3UoLL/W0RLQ7u9uw/yc9UwLNQSyuScnpqtSJFefGCn4AnbNR+D\ntVr7gMFb9fjS2Tud93fBHRR85B3pKhm6Fjg/YqmL0kfmyfih0owj4umbcvt7\nzmKsmh4tdNH3B99dHX3nwElJXYzhVXyBgsmBL/d8npniuT+fG7CrLAocOSz8\ndgEI70CZZeI5VXgTTud7xEPSNYz47t+WHcNmyginspLM6cwU7jtO+A3yn795\niOxJUMn1wozwgIU3+VnN2vrIqA5J5YsC9gegJQPkqmQTW7BQOr1OfBOKYNFw\nzAntFu1wdyNvhXgc0PM/hrd75eR5Y19GZcMsArDWWSugp3k2R9OBC4mVDiRz\nQLPKIYun6y2yOaCoJO4o7+ZvXPLESpm56GgWIGAKOpnpKDawOP9oRvBdVFEY\niTPV\r\n=CVq7\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/@ampproject/toolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express@canary\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"386bd4636da2dfd92569a6f0c0ede7bd2b49580c","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"lerna/3.16.0/node@v10.16.0+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"10.16.0","dependencies":{"mime-types":"2.1.24","whatwg-url":"7.0.0","@ampproject/toolbox-core":"^1.0.0-beta.7","@ampproject/toolbox-optimizer":"^1.0.0-beta.7","@ampproject/toolbox-runtime-version":"^1.0.0-beta.7"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_1.0.0-beta.7_1563976302024_0.022731116121302852","host":"s3://npm-registry-packages"}},"1.0.0-beta.8":{"name":"@ampproject/toolbox-optimizer-express","version":"1.0.0-beta.8","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@1.0.0-beta.8","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"prateekbh","email":"prateek89born@gmail.com"},{"name":"sepandparhami","email":"sparhami@google.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"15642948e68491e958c82f4c236796e68b90fef9","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-1.0.0-beta.8.tgz","fileCount":6,"integrity":"sha512-XVaYMbGq9wbj+3ly/MwyulSU72TueCrcRiN7AVZ8oIONecAKct7YCKrMpFPIKNmFDMBNv0BSbMMH5TAIC9atUg==","signatures":[{"sig":"MEUCIBCw9RuXx1g9+/GoNYf2SGgKb72Vmp//0GKxnXg78ks+AiEA4SJaI3wI5RXgKzVQZ87LDkY9yFfwVQt7Pxwp+N82eTg=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22854,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n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\nXUHZ\r\n=QUWk\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/@ampproject/toolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express@canary\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"6f291b4f9b0a00a24e3af763c918a2b70d47bb5e","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"lerna/3.16.4/node@v10.16.0+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"10.16.0","dependencies":{"mime-types":"2.1.24","whatwg-url":"7.0.0","@ampproject/toolbox-core":"^1.0.0-beta.8","@ampproject/toolbox-optimizer":"^1.0.0-beta.8","@ampproject/toolbox-runtime-version":"^1.0.0-beta.8"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_1.0.0-beta.8_1564650552292_0.04984767764914744","host":"s3://npm-registry-packages"}},"1.0.0-beta.9":{"name":"@ampproject/toolbox-optimizer-express","version":"1.0.0-beta.9","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@1.0.0-beta.9","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"prateekbh","email":"prateek89born@gmail.com"},{"name":"sepandparhami","email":"sparhami@google.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"7421598d17ec87bfea94283663e96b2868497dcb","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-1.0.0-beta.9.tgz","fileCount":6,"integrity":"sha512-4/SguAkaQGzz33UW5Bx6bFvkCj19TAbEaHTX9frd+tvgP07mOfTnZCuTY/XRuqeIMpdxVRKxQicVBZUpqNmBjQ==","signatures":[{"sig":"MEYCIQDxn5ZhNU3upOuaNgkVa+kdv0ARaJYrTclry+tTQUxVjwIhANatLxqWdZBOVVmySPiaotRU/JAL54UNzS3s5Z2sOK1B","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22854,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n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\n48v5\r\n=75Cf\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/@ampproject/toolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express@canary\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"2b6eaa91c3654fc1523f7fc2ff93b37579b52869","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"lerna/3.16.4/node@v10.16.0+x64 (darwin)","description":"Express middleware for 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Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"cc04a8267a51e57290ca81610ac6854de1aea986","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"6.11.2","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"10.16.3","dependencies":{"mime-types":"2.1.24","whatwg-url":"7.0.0","@ampproject/toolbox-core":"^1.1.0-beta.0","@ampproject/toolbox-optimizer":"^1.1.0-beta.0","@ampproject/toolbox-runtime-version":"^1.1.0-beta.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_1.1.0-beta.0_1567110470038_0.025940165759939404","host":"s3://npm-registry-packages"}},"1.1.0-beta.1":{"name":"@ampproject/toolbox-optimizer-express","version":"1.1.0-beta.1","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@1.1.0-beta.1","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"prateekbh","email":"prateek89born@gmail.com"},{"name":"sepandparhami","email":"sparhami@google.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"da273b56d4a766295b862d87cbfe4c5c6124813c","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-1.1.0-beta.1.tgz","fileCount":6,"integrity":"sha512-w57s42p2FWBN3A7W5LBOv1VxsqziD8IqZm+2v2BshGXAkBJyigd1J+TI9kp7lawbtXlgHv7VD2aOUX+qp8OqaQ==","signatures":[{"sig":"MEYCIQC1w/xvjP6GU9pWCJQDtinNloc/61b/rR+xOZ8fp/HTIgIhANOQS4oKmyo/TUiolwLMo5Tg5+d9/AIBUaFpWwnZgGOg","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22855,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n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\ngwpq\r\n=15NP\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](../optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](../optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. 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Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"b5c4db9bdc2962da78862a181d409f6082b9b3ce","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git"},"_npmVersion":"lerna/3.16.4/node@v10.16.3+x64 (darwin)","description":"Express middleware for 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Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"aeceb5cb83cc111c08297415ab469696f2f7994e","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.20.2/node@v12.16.1+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"12.16.1","dependencies":{"mime-types":"2.1.27","whatwg-url":"8.0.0","@ampproject/toolbox-core":"^2.4.0-alpha.0","@ampproject/toolbox-optimizer":"^2.4.0-alpha.0","@ampproject/toolbox-runtime-version":"^2.4.0-alpha.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.4.0-alpha.0_1588794597953_0.337912929170608","host":"s3://npm-registry-packages"}},"2.4.0-alpha.1":{"name":"@ampproject/toolbox-optimizer-express","version":"2.4.0-alpha.1","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.4.0-alpha.1","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"13fb63f759862175c42f45d48786495bbdfe3dea","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.4.0-alpha.1.tgz","fileCount":6,"integrity":"sha512-/PQFigFT4s3eetgH+82ov+vGivwlNCBXaTSF8am53Yg+3QvbnYKlD/KKuj8Od/phAet8FugA6fp9KvCZpT/7cQ==","signatures":[{"sig":"MEUCIQD0Yu0Foi8bpDcNTRfaAR6ZBxFvD4W3NVXc5kCk8AwV2QIgfqY4EKjSctTlX8OKuKO2rG4zQ+QNR0Huy+fFtiFe3h4=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22932,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n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\n+jcC\r\n=2LBk\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"64a25a757ff6d2acc9a7d59ec718a025c713b63e","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.20.2/node@v12.16.1+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"12.16.1","dependencies":{"mime-types":"2.1.27","whatwg-url":"8.0.0","@ampproject/toolbox-core":"^2.4.0-alpha.1","@ampproject/toolbox-optimizer":"^2.4.0-alpha.1","@ampproject/toolbox-runtime-version":"^2.4.0-alpha.1"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.4.0-alpha.1_1588849686430_0.40031758841706977","host":"s3://npm-registry-packages"}},"2.4.0-alpha.2":{"name":"@ampproject/toolbox-optimizer-express","version":"2.4.0-alpha.2","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.4.0-alpha.2","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"choumx","email":"willchou@google.com"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/master/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"f237a22aafc9085eef32d585d9b22259b01d5100","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.4.0-alpha.2.tgz","fileCount":6,"integrity":"sha512-CDSp5X33V8lSrvEqp0sBUgSMSqy2juizefwPeFIPO/4yDVqGBSzGLKdEPO6UJba5cWr6PmlgxMwG9rV+9BcVFA==","signatures":[{"sig":"MEUCIF4d4ajPBGltK4E7ifMVkL/6iubm6NyTsF8nxebr3t7pAiEA5/1wTcIGc7bR39VtRa7HGo9HdMr+GpQBtYJaI+OhkQU=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22932,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n\r\nwsFcBAEBCAAQBQJetWAaCRA9TVsSAnZWagAAx2kP/j8I1YwJVeuoQOD8w+fV\nHvW3WqOVtPZ2Oj4qusqyCStxX0Z6EWDMpalOq/McB3SiYkxtpJo5YsOE9w1s\nnYnZyibc5L1CyB4WToHIcZ9MZeiJIN00qZZvVHXtmIEle58e0Y4nzHZSZQua\nk1Y5/fwQUke77oKgBl21nx1IUYTdlNqH2ESxLGkyeesJJSl7+mvwxYecmOeW\nCn7BP+ZEs7sw/cKWJJITdt4G3thbR9gJL8dubcNl8AxztC3IZA9f3NsGKa+E\no3D4EZvtRTd5EOptUxKLkek6E7zXF8I0AEkmb+J3wIfAYln0X4GVCnVwQm6+\nbhqlayjlgP7u3zGUfQt5QHGUr7G6NsexAsXnVaZsKQsijAGEntkmRzDtGs8g\npPG8I0GK+7hLt0u/ZXS7lIFFRaVRrpWBZjmSyVBug75IeIu/YF98IY/6VPdb\nU4p/6YLmHFQcbvOPFul+/zMHZocukMZFItCL/UVeY6/hG4dvD0etZHHRgPny\n3bq0gSBMbKf2gakv7YwEefc8MqlZ/bn4xoKBu2XMDJoDxZN4wyxl/uNjQYBZ\nSMtbq4u2u4WcJ4yVZRaLjUwzcMkvmLBZ7V/kF8+oa88FiaEUDqzGoHZZxOuv\ni4ZoY/5lOqp2+puVTO6ZI+neUkr3PiZSheu73y1pfLuOlSmyxE7oYXHwISrv\nefIo\r\n=QvbO\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"c2105027e95afd110e9f3b8c3e252492e3db5149","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.20.2/node@v12.16.1+x64 (darwin)","description":"Express middleware for 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Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"48d9b99ee4744e54eac1f73a7cbf05f3da2c0018","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.21.0/node@v12.16.1+x64 (darwin)","description":"Express middleware for 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Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"e4141565bb5666ab03f26ae2b702f1a89715563a","_npmUser":{"name":"caroqliu","email":"carolineliu@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.22.1/node@v12.18.3+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"12.18.3","dependencies":{"mime-types":"2.1.27","whatwg-url":"8.1.0","@ampproject/toolbox-core":"^2.6.0","@ampproject/toolbox-optimizer":"^2.7.0-alpha.0","@ampproject/toolbox-runtime-version":"^2.6.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.7.0-alpha.0_1597432732703_0.32360110909245643","host":"s3://npm-registry-packages"}},"2.7.0-alpha.1":{"name":"@ampproject/toolbox-optimizer-express","version":"2.7.0-alpha.1","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.7.0-alpha.1","maintainers":[{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"choumx","email":"willchou@google.com"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"samouri","email":"jzfisgreat@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"7fe65da4a5891a48da96f4d7cbe171b3bd77f6ed","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.7.0-alpha.1.tgz","fileCount":6,"integrity":"sha512-LyhE05gJ/o2ZxA+dFQ1KU+wwN68e7A6YHds8/AEDevfLTDUqBKPOvASR1i1QIXXd1gHDHxIXdVGaZAKwoE+Rmg==","signatures":[{"sig":"MEQCIAiEWOmDHNVbrA03l7w7MabCMQvHuES+ySHnld+U5GNIAiAwfloJaqhzk3YaIj3vKVPhicPKFT8w3mjWTTeWBV37bQ==","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22922,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.4\r\nComment: https://openpgpjs.org\r\n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\nnd+b\r\n=dy/M\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"cdab35d31a9d431c66cda62174fb28aff93287eb","_npmUser":{"name":"caroqliu","email":"carolineliu@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.22.1/node@v12.18.3+x64 (darwin)","description":"Express middleware for 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Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"0ec5cb5ca31022687841bc344b29fa8e775310d8","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.22.1/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.28","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.0","@ampproject/toolbox-optimizer":"^2.8.0-canary.0","@ampproject/toolbox-runtime-version":"^2.8.0-canary.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.0_1613150698669_0.7613533775961763","host":"s3://npm-registry-packages"}},"2.8.0-canary.1":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.1","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.1","maintainers":[{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"fecedd5772bd47c2b034d8788e4a08988fdbc1f8","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.1.tgz","fileCount":6,"integrity":"sha512-w38+UM6kOjKhMfOZqFv2SYxLobSX7qMbqloDuVeXVV+tmEY+dT76lDnTRnPyEkZ5Z7nEnb8se1NikD0AqminWg==","signatures":[{"sig":"MEUCIDBfwZYXcWFt26FLBJP8Lu+zesTfaB0r5GjJ+lnZcOBuAiEAo8nEiaYvPDT8jiWbOwVrk9MZ1kNQTmZ0XhEwDySvGfQ=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22934,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nenz0\r\n=u2OG\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"972aa9a6264f5baf0dfb698a236e130b92480867","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.22.1/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.28","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.0","@ampproject/toolbox-optimizer":"^2.8.0-canary.1","@ampproject/toolbox-runtime-version":"^2.8.0-canary.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.1_1613151310487_0.2894200515968184","host":"s3://npm-registry-packages"}},"2.8.0-canary.2":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.2","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.2","maintainers":[{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"68b921572ecb71619edb4ca4a8a21797f4a9da39","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.2.tgz","fileCount":6,"integrity":"sha512-iExAQ6+qEdyeXWkYUG+ZFZ0j7zTH7HrkmFOP1yu00rHtCF/WUfW5xhJvedtTg8SsC7WaFfSWy+VAOvMolmfjWQ==","signatures":[{"sig":"MEQCIHCa1Fs/DVHk35g50wcD5K9tsgouqpLKo3GxShSakOKsAiBYLvHVou0NEWLvLN9WQ4L60zAr2m6jRs3rTiyGhx6isQ==","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22934,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nATOS\r\n=jjG9\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"fe10db3e56dda4ed952ac629319a6a4ac0e66f54","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.22.1/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.28","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.0","@ampproject/toolbox-optimizer":"^2.8.0-canary.2","@ampproject/toolbox-runtime-version":"^2.8.0-canary.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.2_1613388563375_0.9713675854913737","host":"s3://npm-registry-packages"}},"2.8.0-canary.3":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.3","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.3","maintainers":[{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"1aa619c5bfb277fefe38357fa8dba60ad42e74ff","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.3.tgz","fileCount":6,"integrity":"sha512-nnS4cL6yDPvRRLtKcanHmAYFQdoZnFeTE9vTW7acdRcSyUfwAUKxBCJEr4Eb6jcPLFe7sy66VodkhpniUXzQKA==","signatures":[{"sig":"MEUCIQCu7Ph/Ih1EWRCKLIUtKc3sDuARnww5/jyT6LPh4Ukd0AIgDzIfABlr7M2X0Wr1+3UcKyOPcTyMrjkk/70cy1zX81w=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22934,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nhEKX\r\n=f2sn\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"fec25a83d058b3afbe2f8bd5a6c2a6ca8efd430e","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.22.1/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.28","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.0","@ampproject/toolbox-optimizer":"^2.8.0-canary.3","@ampproject/toolbox-runtime-version":"^2.8.0-canary.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.3_1613416344638_0.621555399819457","host":"s3://npm-registry-packages"}},"2.8.0-canary.4":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.4","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.4","maintainers":[{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"9b4db01bc696b68c9bd98899b913976ae6c56a78","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.4.tgz","fileCount":6,"integrity":"sha512-2G5fYTSDI2mRTL0AVBjwFjPp+Nk9s7g2brDLCTejaqKL9Fcghi+RF7j02Id4b2w3moMz7tOP1oFX+3JdUHlhmA==","signatures":[{"sig":"MEYCIQDDNhLMay5DvtAXUCgWKdHqxdzQu3Udvj8vMKoK8M7kNwIhANZWngMDarbeV1YxduhE2BraAQyjM1i8A8me51iPsf16","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22934,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\niFA4\r\n=NxI+\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"0c3af53a631fffeffbe3da1f2d626172fc996f1b","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/3.22.1/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.0","@ampproject/toolbox-optimizer":"^2.8.0-canary.4","@ampproject/toolbox-runtime-version":"^2.8.0-canary.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.4_1614689685961_0.8647726656264503","host":"s3://npm-registry-packages"}},"2.8.0-canary.6":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.6","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.6","maintainers":[{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"3445027dee75fa5b7adf0695ef2d71cf1c17dfe6","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.6.tgz","fileCount":6,"integrity":"sha512-6a5A8ftt/ihSHWR5cvRJkaUapRHx0lMT1T9rzI9bAek4QrY4o73Bp1RQkrqtCSyX20wytv1/b868yrn+WU0r0g==","signatures":[{"sig":"MEQCIF3R45WQXepTypZpPcgaOcBqyhYvWU210J10kifMURwDAiAyYOF4ifLo9+76vZw9pSwGn/jxS+1MT1l8/zY1odGfMQ==","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22934,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nBJ33\r\n=AZr8\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"69468eb65804e741db4bfbd129c7c4dbfb4b7561","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.0","@ampproject/toolbox-optimizer":"^2.8.0-canary.6","@ampproject/toolbox-runtime-version":"^2.8.0-canary.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.6_1616088332136_0.6057264568740799","host":"s3://npm-registry-packages"}},"2.8.0-canary.9":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.9","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.9","maintainers":[{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"d29678b9ed12769dbf3cd276050a62fa8814fecc","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.9.tgz","fileCount":6,"integrity":"sha512-f01assboy13PBaZ6umma/k/oKWs2ul6ur7QvQmRglXIBa+mYZw3chX+SJMGxY8SXl82CbCXRuz4rBhGZgNeg4g==","signatures":[{"sig":"MEQCIAuRftSKPxt2n0M+LIMRM03FBxSYfMWS15gJtsZCTMW8AiB6bPYos21dvbA827prFKOksXT7G+ywquNb0QB0NjZcdQ==","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22934,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n\r\nwsFcBAEBCAAQBQJgWLFhCRA9TVsSAnZWagAAoe4P/1VY/+PELPZ1w6GrGK64\nvxQXQUtPsxSvEwd/4kSoKJSUSZiNKP22Xek7XTRFPWFIJTlFdYvw/nIDVvd5\n6VrcxlO4qsJYMtqRMsevytxaB7yxIeWsD4so6SLDwLFmRSf7BVf4/ldq21WI\ntVNDyXABQc4h3CbGTO3IYcknu5uyCm095hnBoBHUcR2XMeMO4kYRFi3DqVhR\na75axF8hK/on9ELy7Yx7xwI+iltNd+e2ukoOufbOejcmMynv0DOUT4/Yhs4d\nViDyax3S2xBRa1ioXNPJB3HKY8d6ByfMLwT/NPQrV0Y4kA/4LMazlqCEMe48\nzUxFlJuFrnvauOYAjfE6+Xr9zNQi0Xl9kAVs1Rci+NBbfUSXGC54mklJp59e\n1XkXcABgh1swpbfVhFvajGCf5AWRmgafXHgUwKTCZ0hNd3E17hgebv14nBUu\nxudv6gY9oobREc5fYgh2orjTcGtZwMiwqlV9aAnipYDevnsYv3Z4bt4Z8QPx\n75PqjS47BFMuOCHFukSMj9OditRYzRMbEvQtH1Lg0RRrGXjP+lzb9mHQ8Uc/\nh4pueQP6MmkRljSkwr34QegHKbq1m7kivccaVOxw9Qb43ISVimTOwMixlGzp\ncjZ57q2HDlCSDB0eegjxPS6srlcz3j7iVbRzD0jBg4RX6BeL2+Nrxl2GVlEr\nr3/9\r\n=S5Ik\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"0974deb66a4bf37062208de3f6dbeea1ba08fa36","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.9","@ampproject/toolbox-optimizer":"^2.8.0-canary.9","@ampproject/toolbox-runtime-version":"^2.8.0-canary.9"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.9_1616425313243_0.21438988422897576","host":"s3://npm-registry-packages"}},"2.8.0-canary.15":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.15","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.15","maintainers":[{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"cc857b1f4883044d196c1c6071cce9ceeb7faec7","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.15.tgz","fileCount":6,"integrity":"sha512-A8cnL+oyRQDqbEoUqWJkSt4tnMnPR+RdUR7bzfXLDlVPZI8BZvwkfRaXXI7aNXGNorNMLTMSsKZkqajvWxO4Zw==","signatures":[{"sig":"MEUCICVMzxNlvRIpSAEyTH4v4cJtaLYxTqDR/1Bd+ioTonM3AiEAgqHmmrmR++WtLITdtBnMcMk5kCSEiPfb0nTXPtVA+i0=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22938,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nMAfc\r\n=7ICg\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"082fd3256f3664fb016b47d2d1b965d47ebb3f53","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.15","@ampproject/toolbox-optimizer":"^2.8.0-canary.15","@ampproject/toolbox-runtime-version":"^2.8.0-canary.15"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.15_1617136522785_0.5158392545513715","host":"s3://npm-registry-packages"}},"2.8.0-canary.16":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.16","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.16","maintainers":[{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"abdef8065eb3d1c0142d1d4ad1baac844089dd7b","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.16.tgz","fileCount":6,"integrity":"sha512-Q4LXDkAEW2ttdBOUW0MUqx/77nYrp3MYt80s/ROYgEg3p/Y9evmO4ff4O207BKZFBEvQlvLcFeCjzmoVZuNosw==","signatures":[{"sig":"MEUCIQCI50GKwxlda0sZ6f7xC3qY39utRdR3YVfkWXiVHRnlqwIgaJFzHUs5PcNE1eRkz29ENkCIIdMnmtlLPY+cqHwjbzI=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22938,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nfS0F\r\n=RBI0\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"882c791c8c27d0dfdb947a90932913bbc8f9c129","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.15","@ampproject/toolbox-optimizer":"^2.8.0-canary.16","@ampproject/toolbox-runtime-version":"^2.8.0-canary.15"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.16_1617904172331_0.18283416157235877","host":"s3://npm-registry-packages"}},"2.8.0-canary.18":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.18","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.18","maintainers":[{"name":"kdwan","email":"kdwan@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"7ea84bb30903816f00e94a205e0880807992e566","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.18.tgz","fileCount":6,"integrity":"sha512-47q0KIlGypdq4sOR8ktuzEd0X2wdXSgFPzcN0imI67T2g6gXUOUwr1kkHeKl6syZ0GUbw1b4N00rIxbeWlR6IA==","signatures":[{"sig":"MEYCIQCk86y/ACzjmcCtTeLgTHXIN1JFXvBlnwBhJ5S/MynWWAIhALI2J/7X53TrpzE6RUOojzVuTuryrL6id446Lqqi5+pV","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22938,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nHDms\r\n=Su4h\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"5b7f8de1e96cc2eba0c9fd1073d4ce1fe3ab5243","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.15","@ampproject/toolbox-optimizer":"^2.8.0-canary.18","@ampproject/toolbox-runtime-version":"^2.8.0-canary.15"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.18_1620419222362_0.4508158273852787","host":"s3://npm-registry-packages"}},"2.8.0-canary.19":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.19","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.19","maintainers":[{"name":"esth","email":"esther@amp.dev"},{"name":"ampprojectbot","email":"bot@amp.dev"},{"name":"kdwan","email":"kdwan@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"71ec49dbdf717154543fee12d020b3fbc856e962","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.19.tgz","fileCount":6,"integrity":"sha512-O86gEnUQEoxocyymPDGQeHHEu15kWktb1PfNqYA8Wkn/nSHK3wkEQKhtf9y1RcF0tX5P/lm7zIqdSK0YDjtQFQ==","signatures":[{"sig":"MEUCIQCJ2zUmmDKs6EYCuWCRMLkL5+mhtx6foEQSYcO1FYk7/QIgMEBgyNpGcOudMA86BDVURY8fB7dxUXMYzw1qwmuLlbg=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22938,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\njllm\r\n=KCAn\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"2c0197ab2ec605ec5046dbfe6f9840d41e38a604","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.15","@ampproject/toolbox-optimizer":"^2.8.0-canary.19","@ampproject/toolbox-runtime-version":"^2.8.0-canary.15"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.19_1621454611167_0.5955097503119982","host":"s3://npm-registry-packages"}},"2.8.0-canary.20":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.20","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.20","maintainers":[{"name":"esth","email":"esther@amp.dev"},{"name":"ampprojectbot","email":"bot@amp.dev"},{"name":"kdwan","email":"kdwan@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"807fe0b43059c17af939c18e35451eae216ecc5e","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.20.tgz","fileCount":6,"integrity":"sha512-lIsWi/ITXRGwExl4V4NewLGQ0Axxq2dySWj8D/C7PMhH7wGvkFzS6w8OVR/zmWRfCqF3npUdomEm8rQnfoldvQ==","signatures":[{"sig":"MEQCIFOnyydLiaimBtOM9q1/5b9ya/CEvFAoRP/IPm7LHycLAiBl5CQUOnD8p5xWv9sKrb1bFA6R+dYP2qZ8IF0hsn0bNg==","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22938,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\n874F\r\n=9BQJ\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"d83473087587b0ea71588bf89ab767b45ad09d09","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0-canary.15","@ampproject/toolbox-optimizer":"^2.8.0-canary.20","@ampproject/toolbox-runtime-version":"^2.8.0-canary.15"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.0-canary.20_1621518380891_0.9900550175715752","host":"s3://npm-registry-packages"}},"2.8.0-canary.21":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.0-canary.21","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.0-canary.21","maintainers":[{"name":"esth","email":"esther@amp.dev"},{"name":"ampprojectbot","email":"bot@amp.dev"},{"name":"kdwan","email":"kdwan@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"d572e9d3ddf0a07b5d176c912a2d19b6a450a352","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.0-canary.21.tgz","fileCount":6,"integrity":"sha512-QcBUEb75FzEd9ceJKLAMg2NIU1X8qkNKuDVSu0R9Z2H9nICF2ZCrHnkigg3AAbta3EzYOJA2J+EfhJZ5kbPGgg==","signatures":[{"sig":"MEUCIG05oJg3n1amg1AEbMwMgZJgGPN5BWmSxM0PygXFPhUpAiEAzG2nn50/CRjstLDjbYNIxeJMyUHP8/epSl+FDOzWFB0=","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22938,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nWxL6\r\n=DJEC\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"c85dd8829798b64e39aea67c98bbc8470dacb18f","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for 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Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"5d38b310f5c3c467220b03e3217ee8dc6f5e37d9","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for @ampproject/toolbox-optimizer","directories":{},"_nodeVersion":"14.15.4","dependencies":{"mime-types":"2.1.29","whatwg-url":"8.4.0","@ampproject/toolbox-core":"^2.8.0","@ampproject/toolbox-optimizer":"2.8.1-canary.0","@ampproject/toolbox-runtime-version":"^2.8.0"},"_hasShrinkwrap":false,"readmeFilename":"README.md","_npmOperationalInternal":{"tmp":"tmp/toolbox-optimizer-express_2.8.1-canary.0_1622535568446_0.21015256824992945","host":"s3://npm-registry-packages"}},"2.8.1-canary.1":{"name":"@ampproject/toolbox-optimizer-express","version":"2.8.1-canary.1","keywords":["amp","amp-optimizer","amp-toolbox"],"author":{"name":"AMPHTML Team"},"license":"Apache-2.0","_id":"@ampproject/toolbox-optimizer-express@2.8.1-canary.1","maintainers":[{"name":"esth","email":"esther@amp.dev"},{"name":"ampprojectbot","email":"bot@amp.dev"},{"name":"kdwan","email":"kdwan@google.com"},{"name":"ampproject-admin","email":"admin@ampproject.org"},{"name":"kristoferbaxter","email":"kbax@me.com"},{"name":"jridgewell","email":"justin+npm@ridgewell.name"},{"name":"choumx","email":"willchou@google.com"},{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},{"name":"fstanis","email":"filip@stanis.me"},{"name":"erwinmombay","email":"erwin.mombay@gmail.com"},{"name":"samouri","email":"jzfisgreat@gmail.com"},{"name":"caroqliu","email":"carolineliu@google.com"},{"name":"rsimha","email":"rsimha@amp.dev"},{"name":"dvoytenko","email":"dvoytenko@gmail.com"},{"name":"patrickkettner","email":"patrickkettner@gmail.com"},{"name":"alanorozco","email":"orozcoalan@gmail.com"}],"homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"dist":{"shasum":"9cc427aa5166435a16ed94397c2f29a0968eb964","tarball":"https://registry.npmjs.org/@ampproject/toolbox-optimizer-express/-/toolbox-optimizer-express-2.8.1-canary.1.tgz","fileCount":6,"integrity":"sha512-vxbt7azzCIOQ6AyRAQq5Y8Bz1HxZ7FGY7CYrMr6Y4KxO8HXGxvwh2vno692BWYIZfVdYTdGB+ZfW+XjGw+SCjg==","signatures":[{"sig":"MEYCIQC7Bq6I/apVbNwx3LYRJbe4BD6lnpwmxYETT8ereDsrMQIhAPbcOHppC4TueZujLm1DGZ+aTcAEr0h7cJsQqsEbWvEy","keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"}],"unpackedSize":22915,"npm-signature":"-----BEGIN PGP SIGNATURE-----\r\nVersion: OpenPGP.js v3.0.13\r\nComment: https://openpgpjs.org\r\n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\nyBh9\r\n=1n9p\r\n-----END PGP SIGNATURE-----\r\n"},"main":"index.js","readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. 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Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"6031314b0367d685f9b8c0769937bfb9b978b12c","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v14.15.4+x64 (darwin)","description":"Express middleware for 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Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","gitHead":"0f63a77e8081f0fb7d6b63280e2fd8701836c4f9","_npmUser":{"name":"amp-toolbox","email":"amp-toolbox-eng@google.com"},"repository":{"url":"git+https://github.com/ampproject/amp-toolbox.git","type":"git","directory":"packages/optimizer-express"},"_npmVersion":"lerna/4.0.0/node@v16.13.1+x64 (darwin)","description":"Express middleware for 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Team"},"repository":{"type":"git","url":"git+https://github.com/ampproject/amp-toolbox.git","directory":"packages/optimizer-express"},"keywords":["amp","amp-optimizer","amp-toolbox"],"license":"Apache-2.0","homepage":"https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express","bugs":{"url":"https://github.com/ampproject/amp-toolbox/issues"},"readme":"## Introduction\n\n[](https://badge.fury.io/js/%40ampproject%2Ftoolbox-optimizer-express)\n\namp-optimizer-express is an [express](http://expressjs.com/) middleware that optimizes page load\ntimes for websites using AMP for their canonical pages. The middleware uses the same\nserver-side-rendering optimizations as the Google AMP Cache.\n\nThe middleware uses the [amp-optimizer](/packages/optimizer) component to apply server-side-rendering on the fly.\n\n## How it works\n\namp-optimizer-express intercepts the responses and replaces their content with a version that has been\ntransformed by [amp-optimizer](/packages/optimizer).\n\nAs the server-side-rendered version of the content is not valid AMP, the component also\nprovides the original content on an alternative URL. Server-side-rendering\ntransformations are not applied to this URL, and the original valid AMP is served.\n\nAn AMPHTML link tag is added to the server-side-rendered version, linking it to the original valid\nAMP version hosted on the alternative URL.\n\nExample:\n\nA valid AMP page is served on `https://example.com/index.html`.\n\nWhen the amp-optimizer-express middleware is used, that URL will serve the server-side-rendered version\nof the content.\n\nThe original, valid AMP will then become available at `https://example.com/index.html?amp`.\n\nAn amphtml link will be added to the server-side-rendered version:\n\n```html\n\n```\n\n## Usage\n\nInstall via:\n\n```\n$ npm install @ampproject/toolbox-optimizer-express\n```\n\nThe AMP Optimizer Middleware can be used like any other express middleware.\n\nIt is important that the middleware is used *before* the middleware or route that renders the page.\n\nThe example bellow will transform HTML being loaded by express-static:\n\n```javascript\nconst express = require('express');\nconst path = require('path');\nconst app = express();\nconst AmpOptimizerMiddleware = require('@ampproject/toolbox-optimizer-express');\n\n// It's important that the AmpOptimizerMiddleware is added *before* the static middleware.\n// This allows us to replace the parts needed before static handles the request.\napp.use(AmpOptimizerMiddleware.create());\n\nconst staticMiddleware = express.static(path.join(__dirname, '/public'));\napp.use(staticMiddleware);\n```\n\n## Options\n\nThe following options are supported:\n\n * `runtimeVersion`: true if the optimizer should use versioned runtime imports (default is false).\n * `ampOnly`: true if the optimizer should only be applied to AMP files (indicated by the lightning bolt in the header).\n\nExample:\n\n```\napp.use(AmpOptimizerMiddleware.create({\n runtimeVersion: true\n});\n```\n\n## Best Practice: Cache server-side-rendered AMPs\n\nTo achieve best performance, those transformations shouldn't be applied for\nevery request. Instead, transformations should only be applied the *first time*\na page is requested, and the results then cached. Caching can happen on the CDN\nlevel, on the site's internal infrastructure (e.g.: Memcached), or even on the\nserver itself, if the set of pages is small enough to fit in memory.\n","readmeFilename":"README.md"}