GoogleChrome ORG

Automated auditing, performance metrics, and best practices for the web.

An automated tool that analyzes any web page and scores it 0, 100 on speed, accessibility, best practices, and SEO, then gives you a prioritized list of specific things to fix.

Chrome Extensions Samples

Official collection of sample Chrome extensions from Google, organized into focused API examples and complete functional extensions you can load directly into Chrome.

📦 Workbox: JavaScript libraries for Progressive Web Apps

A set of JavaScript libraries from Google that makes it easy to build websites that work offline and load faster, by managing how browsers store and serve files locally in the background.

Essential metrics for a healthy site.

web-vitals is a tiny JavaScript library from Google that measures your website's real-world loading speed and responsiveness using the exact signals Google uses for search rankings.

Automate running Lighthouse for every commit, viewing the changes, and preventing regressions

A Headless Chrome rendering solution

A repo containing samples tied to new functionality in each release of Google Chrome.

The frontend, backend, and content source code for web.dev

Polyfill for the HTML dialog element

A Chrome extension to measure essential metrics for a healthy site

This is a library of accessibility-related testing and utility code.

The frontend, backend, and content source code for developer.chrome.com

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Chrome custom tabs examples

Launch Google Chrome with ease from node.

Proxy object polyfill

Spatial Audio Rendering on the web.

Note: This repository will be archived and will no longer accept new submissions.

The Android Browser Helper library helps developers use Custom Tabs and Trusted Web Activities on top of the AndroidX browser support library.

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Chrome Status Dashboard

The legacy documentation for Chrome DevTools.

Enabling safe experimentation with web APIs

Audion is a Chrome extension that adds a Web Audio panel to Developer Tools. This panel visualizes the web audio graph in real-time.

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Code to parse Chrome's internal extension type definitions—published on NPM as chrome-types

A tool to monitor and track the status of all Web Platform features across dimensions that are related to availability and implementation quality across browsers, and adoption by web developers.

Lighthouse Stack Packs

The place to share queries, ideas, or issues related to the Chrome UX Report

The goal of this tutorial is to get you building Chrome apps fast. Once you've completed the tutorial, you will have a simple Todo app. We've done our best to capture some of the trickier parts to the development process keeping the sample simple and straightforward.

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Polyfill for the HTML inert attribute

Samples for demonstrating DevTools features.

Search across all major browser vendor issue trackers

A sample offline streaming video PWA built for web.dev/media

Chrome multi-device (mobile) docs

Developer docs for Chrome Web Store:

Resources for jank busting on the web.

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An Eleventy blog template with an AI-powered blog post editor.

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