This is a usability benchmark of the shopping experience on 50 major mobile e-commerce sites. You’re currently navigating by mobile page type (Shipping Address). You can also navigate by case studies.
On this page there's 14 highlights (pro only) outlining what Williams-Sonoma are doing right and wrong. The screenshot was taken September 1, 2014 and depicts Williams-Sonoma's Shipping Address and Billing Details.
In total, 12 of Williams-Sonoma's pages have been benchmarked across 146 usability guidelines from the Mobile E-Commerce research study. See full Williams-Sonoma case study.