This document provides summaries of several eCommerce case studies and best practices: - Wiltshire Farm Foods improved their website by removing clutter, providing visual feedback, using big buttons and clear links, and answering questions upfront to improve the user experience. - Website optimization testing involves dynamically testing key elements like copy, images and calls to action using A/B split testing or multi-variate testing to determine what drives conversions. - Successful eCommerce sites like Boden, Amazon and Etsy utilize sales funnels to guide users through the purchasing process with clear calls to action at each step. - Additional case studies overview how companies like Webtogs, Firebox, Asos,