Test suites for Web platform specs — including WHATWG, W3C, and others

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Fetch Standard

HTML Standard

🌏 Web Platform features dashboard

Asynchronous access to cookies from JavaScript

Compression Standard

DOM Standard

URL Standard

Streams Standard

Quirks Mode Standard

URL Pattern Standard

Web IDL Standard

File System Standard

The WHATWG website and other static resources

XMLHttpRequest Standard

Fullscreen API Standard

Compatibility Standard

Console Standard

WebSockets Standard