There's a lot of hype going on about html5 nowadays. If you're not using html5 yet, the whole thing can be somewhat overwhelming. After reading this blogpost you'll be ready to upgrade your current project (or start a new one) using html5.
Rewriting Github-badges
In building rawsyntax I wanted to be able to link to my github profile.
After a little searching I found drnic's github-badges. It looked great, and I put it on the sidebar of my site. However, when I went to do crossbrowser testing (I develop in firefox, and crossbrowser test before deploying to production) I found that it caused IE[6,7,8] to crash.