This is a usability benchmark of the filtering and sorting experience of 50 major e-commerce sites. You’re currently navigating by page type (Product List: Category). You can also navigate by case studies.
On this page there's 22 highlights (pro only) outlining what Musician's Friend are doing right and wrong. The screenshot was taken February 13, 2015 and depicts Musician's Friend's Product List: Category.
In total, 5 of Musician's Friend's pages have been benchmarked across 93 usability guidelines from the E-Commerce Product Lists research study. See full Musician's Friend case study.