On the 10th March 2009 Google released a 26 page PDF on how to use its website optimizer tool.
A/B testing is an incredibly powerful tool to maximise the most out of your space. Just a simple change like turning a sentence into a couple of bullet points could increase sales, the time on site and lower your bounce rate. As equally important to the increases is testing how a modification could actually negatively impact the page on a grand scale. If you don’t have a lot of usability knowledge behind you then this is a must have tool.
