Possibly useful if you develop for tablets.
I found the results totally Useless - all it does is point out that you're lacking Windows 8 tiles (which you don't need since NOBODY uses Win8) and support for touch screeens (which is utterly irrelevant for PC desktop application)
== advertising to make more people support useless Win8 features which will never affect many customers
About this site
Free browser testing tools, cross platform testing tools and virtual machines from the Microsoft Internet Explorer team at Modern.IE