The content behind MDN Web Docs

This repository contains compatibility data for Web technologies as displayed on MDN

A Web Component widget displaying Baseline status of a web feature

Exploring how to present Web platform features adoptability

A polyfill for <input type="checkbox" switch>

A collection of bad practices in HTML found on real websites.

A repository for media and assets to be used across MDN Web Docs

An API that exposes some information about how powerful the user device is.

A "Guess Who?" game using on-device AI. (Experimental)

The A11Y Project is a community-driven effort to make digital accessibility easier.

See and share Core Web Vitals and PageSpeed Insights results simply and easily.

The React Framework

Raw browser/feature support data from caniuse.com

Simple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.

A better beaconing API

Proposal to enable privacy-enhanced preloading

A machine-readable list of specifications used to build Web browsers

Chrome Status Dashboard

Snowplow event tracker for client-side and server-side JavaScript. Add analytics to your websites, web apps and servers.

WebAppSec Content Security Policy

HTML Standard

GraphQL API for the conference.

The Bluesky Social application for Web, iOS, and Android

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.

A basic React App that prototypes the ability to extend the Chrome DevTools performance panel using the User Timings API

Container Timing

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

HTTP Archive's annual "State of the Web" report made by the web community

A SQL linter and auto-formatter for Humans

Le site de WeLoveSpeed