HTML5 compatibility

Last major update on 8 March 2011.

These compatibility tables detail support for the new HTML5 functionalities in all modern browsers. They concentrate on actual HTML tags; not on CSS or JavaScript.


date, number, email, and related. 2.1 2.1.1

The last columns state the desktop and mobile browser test array versions I used.

Older tests

Feature IE 9 FF 4.0b11 Saf 5 Chrome 9 Opera 11

Test page
H.264 WebM and Ogg H.264 All WebM and Ogg
Local storage

Yes Yes Yes Yes Yes

I last tested this back in 2009. All modern browsers support at least the basics. I have to do a thorough retest of the dirty details, though.