🦔 Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-preset-env

For writing maintainable and scalable HTML documents

Home for explainer documents originated by the Microsoft Edge team

Catalyst is a set of patterns and techniques for developing components within a complex application.

The official GitHub mirror of the Chromium source

CSS custom properties to help accelerate adaptive and consistent design.

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

A collection of professionally designed, every day UI components built on Web standards. SHOELACE IS BECOMING WEB AWESOME 👇👇👇

Automatically generates beautiful and easy-to-read ER diagrams from your database.

HTML Accessibility API Mappings

SaBA: Sample Browser App supporting HTML, CSS and JavaScript

書籍『［作って学ぶ］ブラウザのしくみ──HTTP、HTML、CSS、JavaScriptの裏側』で解説されているソースコードです。

Admin repo for meetings, charter, and action items for the CSS-Next community group, a part of the w3c.

CSS Working Group Editor Drafts

Quickly generate an RSS feed from any website

Convert email newsletters into Atom feeds

Truly independent web browser

W3C specs and API reviews

Idiosyncracies of the HTML parser

Official ECMAScript Conformance Test Suite

An open-source checklist to help you plan, build and grow your design system.

🤪 A list of funny and tricky JavaScript examples

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.

WebKit's positions on emerging web specifications

A monorepo containing the packages for Esri's Calcite Design System

Raw browser/feature support data from caniuse.com

Some ideas for websites you can build!