HTML5 browser support test page

You are using , it supports the following HTML5 features:

Sorry, feature detection is only available for: Safari, Firefox, Internet Explorer, Chrome and Opera.

What is this about?

This is a test / demo site for the open source Rubygem Rack::Html5 and the corresponding Rails helpers.
The HTML5 feature detection is based on user agent parsing and the information on caniuse.com.

Information not correct?

Please drop me a line if you think that the detection of the browser version or features is not correct. Include the following debug information in addition to your expectations: