Taking it to the next level with multivariate testing. Test different page blocks or parts to see what combination works best. Besides any “regular” website this method can be extremely useful for eCommerce sites.
In combination with split-testing you’d have a pretty strong system to figure out how people like to use your website.
Discover what page works best and how to exactly place the parts or blocks on the page to maximize conversions. Segment testing can be done using Google Website Optimizer and it’s free.