images you picked were better? 4 Maybe the order of the products you showed were different. 4 Maybe the products you featured were different? 4 Maybe it was that people were less distracted by the menu bar?
store, Visual Website Optimizer puts a cookie in the visitor's browser so it remembers which version it showed them. 2. When they come back, they are always shown the same version. 3. When the visitor converts (say a checkout page), it looks to see which variation of the page the visitor looked at and adds that conversion to that variation