From Webcredible:
The Ecommerce Usability for Valentine Etailers report evaluates the websites of 20 of the leading Valentine’s ecommerce websites. Based on our experience of usability testing with over 1000 people on a variety of ecommerce sites, we devised 20 essential guidelines that all ecommerce websites should adhere to, evaluating each site against these guidelines.
Ecommerce Usability for Valentine Etailers