This document discusses A/B testing and introduces Google Website Optimizer as a tool for performing A/B tests. It explains that A/B testing involves testing two variations of a page, such as original and modified versions, to determine which performs better. An example is provided of an A/B test conducted on a product page to determine the best button color and text for increasing conversions. Steps for setting up an A/B test using Google Website Optimizer and Miva Merchant are outlined, including creating page variations, tracking codes, and validating/starting the test.