Google website optimizer
According to the help pages, Website Optimizer allows to do two types of testing: A/B testing and multivariate testing.
- So-called A/B testing allows to test performance of two or more different pages.
- Multivariate test allow to test various sections of the page. Read Google's testing strategies for more information
- At Google
- Google Website Optimizer tools. Help comes a various levels. Here are some entry point of interest to beginners:
- Web Site Optimizer 2:19 min propaganda video.