Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser and allows you to target specific browser functionality in your stylesheet.
Ext JS is a cross-browser JavaScript library for building rich internet applications.
The website contains Adobe Flash content embeded without the use of JavaScript.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.