The amount of research and testing that had to go into this demonstrates how fractured and broken web performance is right now. But, since it is, there's a useful snippet at the end of this article. Google Fonts is fast. Now it’s faster. Much faster.

Return to this. A good set of standards, including some things that I wasn't aware of and would like to implement.

Sounds stupid and listy but it's actually a good introduction to some of the more useful and practical pieces of the huge insane HTML5 Boilerplate (html5boilerplate.com).

Jury's out on how much this really matters in 2010, but still a great set of tips.