This is a usability benchmark of the homepage and category navigation of 100 top e-commerce sites. You’re currently navigating by page type (Top-Level Navigation). You can also navigate by case studies.
On this page there's 12 highlights (pro only) outlining what Gap are doing right and wrong. The screenshot was taken January 25, 2016 and depicts Gap's Top-Level Navigation and Intermediary Category Page.
In total, 4 of Gap's pages have been benchmarked across 79 usability guidelines from the Homepage & Category research study. See full Gap case study.