- Compatibility overview
- CSS Compatibility and Internet Explorer
- What's my IP Address? What's my browser?
- The All-In-One Almost-Alphabetical Guide to Detecting Everything - Dive Into HTML5
- www.browserscope.org
- Cross-browser testing simplified | Testing made easier in Internet Explorer | modern.IE
- Sign into the Best Browser Testing Tool
- Sauce Labs: Mobile and Web App Cloud Testing Platform
- Web Browser Information Preferences
- Browserhacks