Using the same underlying technology that enables Google Analytics to receive Yahoo! Store e-commerce transactions, we are pleased to announce the support of Google Website Optimizer, a powerful, free multivariate testing tool.
Website Optimizer will allow Yahoo! Store merchants to do landing page optimization by testing headlines, images and other text to see what leads to a better conversion rate.
Learn more about website optimizer and sign up for a free account. Note: you have to have an Adwords account to participate.