If not, then you should get Internet Explorer 8 from the official site and find out. Other browsers that you really should support:
- Internet Explorer 7
- Firefox 3+
- Opera 9+
- Safari 3+
- Google Chrome (if it works in Safari, it usually works in Chrome)
And mobile browsers as well, depending on how you want your readership to follow your blog.
Thord Daniel Hedengren is a designer, writer, and blogger, and also the former editor of The Blog Herald. He used to be a hotshot in the gaming industry in Sweden, but sold everything and went International. Most recently he wrote a book called Smashing WordPress: Beyond the Blog, and does loads of kickass design.