Raw browser/feature support data from caniuse.com

Video.js - open source HTML5 video player

HTML5 video speed controller (for Google Chrome)

Shared memory and atomics for ECMAscript

Status, process, and documents for ECMA-262

Async/await for ECMAScript

jQuery JavaScript Library

A design and spec for ServiceWorker-based background synchronization

A set of policies that a site guarantees to adhere to, browsers enforce, and embedders can count on.

A place for browsers and web developers to collaborate on user agent interventions.

This repository is no longer active. ResizeObserver has moved out of WICG into

Intersection Observer

An extension to the DOM event pattern to allow authors to disable support for preventDefault

HTML Standard

Official repository for WebPageTest

My Internet-Drafts

HTTP Extensions in progress

The AMP web component framework.