HTML

HTML5 Weekly

A once–weekly HTML5 and Web Platform technology roundup. CSS 3, Canvas, WebSockets, WebGL, Native Client, and more.

Modernizr

The feature detection library for HTML5/CSS3

Can I use

Provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

Dive Into HTML5

Dive Into HTML5 elaborates on a hand-picked selection of features from the HTML5 specification and other fine standards.

Codrops

Web design and development blog that publishes articles and tutorials about the latest web trends, techniques and new possibilities.

HTML5 Rocks

A resource for open web HTML5 developers