Thoughts on Performance
Newer browsers do a pretty good job of downloading resources in parallel, and with a few exceptions (I’m looking at you Opera), can download all kinds of resources in parallel with each other. This is a huge change from just 4 years ago. However, are we, as web page developers, building pages that can take advantage of this parallelism?
http://calendar.perfplanet.com/2010/thoughts-on-performance/