Did you know that Google now offers a free split testing service? It includes multivariate split testing where you are testing multiple variables at the same time.
http://www.google.com/websiteoptimizer
A/B Split & Multivariable Testing
Identify your most effective site elements. Test everything from individual copy blocks and images to complete page layouts.
Designed For Marketers, ...
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Written by eProfitNews.org on October 16th, 2008
