A simple text editor designed to experiement with and demonstrate the new File System Access APIs.
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squoosh
Make images smaller using best-in-class codecs, right in the browser.quicklink
⚡️Faster subsequent page-loads by prefetching in-viewport links during idle timendb
ndb is an improved debugging experience for Node.js, enabled by Chrome DevToolscomlink
Comlink makes WebWorkers enjoyable.carlo
Web rendering surface for Node applicationsProjectVisBug
FireBug for designers › Edit any webpage, in any state https://a.nerdy.dev/gimme-visbugsw-precache
[Deprecated] A node module to generate service worker code that will precache specific resources so they work offline.react-adaptive-hooks
Deliver experiences best suited to a user's device and network constraintsui-element-samples
A collection of prototyped UI elementssw-toolbox
[Deprecated] A collection of service worker tools for offlining runtime requestswebpack-libs-optimizations
Using a library in your webpack project? Here’s how to optimize itcritters
🦔 A Webpack plugin to inline your critical CSS and lazy-load the rest.psi
PageSpeed Insights Reporting for Nodelighthousebot
Run Lighthouse in CI, as a web service, using Docker. Pass/Fail GH pull requests.bubblewrap
Bubblewrap is a Command Line Interface (CLI) that helps developers to create a Project for an Android application that launches an existing Progressive Web App (PWAs) using a Trusted Web Activity.preload-webpack-plugin
Please use https://github.com/vuejs/preload-webpack-plugin instead.worker-plugin
👩🏭 Adds native Web Worker bundling support to Webpack.prerender-loader
📰 Painless universal pre-rendering for Webpack.simplehttp2server
A simple HTTP/2 server for developmentjsvu
JavaScript (engine) Version Updatersize-plugin
Track compressed Webpack asset sizes over time.clooney
Clooney is an actor library for the web. Use workers without thinking about workers.browser-fs-access
File System Access API with legacy fallback in the browserproxx
A game of proximityapplication-shell
Service Worker Application Shell Architecturedark-mode-toggle
A custom element that allows you to easily put a Dark Mode 🌒 toggle or switch on your site:pwacompat
PWACompat to bring Web App Manifest to older browserscontainer-query-polyfill
A polyfill for CSS Container Queriesidlize
Helper classes and methods for implementing the idle-until-urgent patternhoudini-samples
Demos for different Houdini APIscss-triggers
A reference for the render impact of mutating CSS properties.jsbi
JSBI is a pure-JavaScript implementation of the official ECMAScript BigInt proposal.howto-components
Literate code examples for common UI patterns.tooling.report
tooling.report a quick way to determine the best build tool for your next web project, or if tooling migration is worth it, or how to adopt a tool's best practice into your existing configuration and code base.page-lifecycle
PageLifecycle.js is a tiny JavaScript library that allows developers to easily observe Page Lifecycle API state changes cross browsercss-paint-polyfill
CSS Custom Paint / Paint Worklet polyfill with special browser optimizations.estimator.dev
🧮 Calculate the size and performance impact of switching to modern JavaScript syntax.web-audio-samples
Web Audio API samples by Chrome Web Audio Teampicture-in-picture-chrome-extension
comlink-loader
Webpack loader to offload modules to Worker threads seamlessly using Comlink.pwa-wp
WordPress feature plugin to bring Progressive Web Apps (PWA) to CoreProgressiveWordPress
A Sample WordPress-based Progressive Web Appgulliver
A PWA directory, focusing on collecting PWA best practices and examples.web-push-codelab
text-app
A text editor for ChromeOS and Chromeprogressive-tooling
A list of community-built, third-party tools that can be used to improve page performancewasm-feature-detect
A small library to detect which features of WebAssembly are supported.svgomg-twa
A sample that project Trusted Web Activities technology to wrap SVGOMG in an Android Applicationweb-vitals-report
Measure and report on your Web Vitals data in Google Analyticschrome-for-testing
pptraas.com
Puppeteer as a serviceprogressive-rendering-frameworks-samples
Samples and demos from the Progressive Rendering I/O talkwasm-bindgen-rayon
An adapter for enabling Rayon-based concurrency on the Web with WebAssembly.MiniMobileDeviceLab
A mini mobile web device labwebm-wasm
webm-wasm lets you create webm videos in JavaScript via WebAssembly.cronet-sample
A sample for the Cronet librarylink-to-text-fragment
Browser extension that allows for linking to arbitrary text fragments.webpack-training-project
A training project for learning Webpack optimizationspinch-zoom
samesite-examples
Examples of using the SameSite cookie attribute in a variety of language, libraries, and frameworks.airhorn
Air hornbuffer-backed-object
Buffer-backed objects in JavaScript.first-input-delay
A JavaScript library for measuring First Input Delay (FID) in the browser.AutoWebPerf
AutoWebPerf provides a flexible and scalable framework for running web performance audits with arbitrary audit tools including PageSpeedInsights, WebPageTest and more.tti-polyfill
Time-to-interactive polyfillreact-shrine
"Shrine" Progressive Web App sample built with Reactdynamic-import-polyfill
A fast, tiny polyfill for dynamic import() that works in all module-supporting browserswasi-fs-access
This is a demo shell powered by WebAssembly, WASI, Asyncify and File System Access API.native-url
Node's url module implemented using the built-in URL API.two-up
adaptive-loading
Demos for Adaptive Loading - differentially deliver fast, lighter experiences for users on slow networks & devicesso-pwa
A progressive web app to read Stack Overflow content.import-from-worker
It’s like import(), but runs the module in a worker.sample-pie-shop
Example e-commerce site to explore PWA (Progressive Web App) use cases.file-drop
A simple file drag and drop custom-elementform-troubleshooter
postcss-jit-props
A CSS custom property helper based on PostCSS. Supply a pool of variables and this plugin will add them to the stylesheet as they are used.serial-terminal
Demo application for the Web Serial API.audioworklet-polyfill
🔊 Polyfill AudioWorklet using the legacy ScriptProcessor API.http2-push-manifest
Generate a list of static resources for http2 push.pointer-tracker
Track mouse/touch/pointer events for a given element.pr-bot
🤖 Compare your base branch to a pull request and run plugins over it to view differencesdiscovery
Discoveries on Sustainable Loading researchimagecapture-polyfill
MediaStream ImageCapture polyfill. Take photos from the browser as easy as .takePhoto().then(processPhoto)tasklets
credential-management-sample
Credential Management Samplehoudini.how
A community-driven gathering place for CSS Houdini worklets and resources.wasm-av1
Port of the AV1 Video codec to WebAssemblyperf-track
Tracking framework performance and usage at scalekv-storage-polyfill
A polyfill for the kv-storage built-in module.wadb
A TypeScript implementation of the Android Debug Bridge(ADB) protocol over WebUSBtelnet-client
pwa-workshop-codelab
http2push-gae
Drop-in HTTP2 push on App Enginechromeos_smart_card_connector
Smart Card Connector App for Chrome OSsnapshot
devwebfeed
Firehose of team++ resourcessample-currency-converter
A sample currency conversion Progressive Web Appextension-manifest-converter
json-parse-benchmark
Benchmark comparing JSON.parse vs. equivalent JavaScript literals across JavaScript engines.Love Open Source and this site? Check out how you can help us