Some useful HTML 5 related links,
Standard Specs
http://www.whatwg.org/specs/web-apps/current-work/
http://dev.w3.org/html5/spec/Overview.html
Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.
http://caniuse.com
HOW WELL DOES YOUR BROWSER SUPPORT HTML5?
www.html5test.com
HTML5 IE enabling script
http://code.google.com/p/html5shiv/
HTML5 Boilerplate is the professional base HTML/CSS/JS template for a fast, robust and future-proof site.
http://html5boilerplate.com/
