ninjasofcode.com

Findmebyip.com has put together an awesome visually appealing set of HTML 5 compatibility charts.

Internet Explorer – the bane of most web developers’ existence. Up to 60% of your development can be wasted just trying to squash out IE specific bugs which isn’t really a productive use of your time. In this tutorial, you are going to learn about the most common IE bugs and rendering disparities and how to easily squash them or deal with them. Interested?

A great way to see how much resources your browsers really do use.