Use the HTML5 logo
Can I use …
Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.
Web Hypertext Application Technology Working Group
HTML5 rocks
A resource for developers looking to put HTML5 to use today, including information on specific features and when to use them in your apps.
HTML Goodies
The ultimate HTML resource.
Free themes for Bootstrap.
Mr. doob
HTML5 demos from Three.js creator.
Code Guide by @mdo
Standards for developing flexible, durable, and sustainable HTML and CSS.
Web fundamentals
A handbook for best practices (by google)
HTML5 Game Engines
Which HTML5 Game Engine is right for you?

HTML5 Canvas Tutorials
Simplest possible examples of HTML, CSS and JavaScript.
WebGL Fundamentals
WebGL from the ground up.

A free guide to HTML. It features all elements and attributes.

Frameworks and libs

HTML5 Boilerplate
The web most popular front-end template
HTML5 media framework written in JavaScript for filmmakers, web developers, and anyone who wants to create time-based interactive media on the web.
open-source online music notation rendering API.
Lightweight, fast, interactable 2D HTML5 rendering engine for cross-platform game development.
an open collection of GLSL Transitions.

Web components

Building blocks for the web
The Custom Elements Polylib
Bosonic Web Component
is a web component library designed to give you an augmentation of the web component specs focusing on a functional rendering pipeline, clean property / attribute semantics and a small footprint.

Articles and other resources

HTML5rocks presentation

One line browser notepad

Adding captions and subtitles to HTML5 video

5 Libraries and APIs for Manipulating HTML5 Audio

Special Characters

Learn HTML (good starting point for newbies)

Web components

HTML imports

HTML’s New Template Tag

Custom Elements
a web components gallery for modern web apps
a place to discuss and evolve web component best-practices


Particles in canvas

HTML5 Canvas demos by Kevin Roast


Getting started with WebRTC
WebRTC in the real world: STUN, TURN and signaling