Costco’s E-Commerce UX

This is a case study of Costco’s e-commerce user experience (UX) performance. It’s based on an exhaustive performance review of 637 design elements. 243 other sites have also been benchmarked for a complete picture of the e-commerce UX landscape.

Costco’s overall e-commerce UX performance is mediocre. Their UX is especially thwarted by usability issues related to mediocre Mobile Web performance.

First benchmarked in April 2012, and reviewed 27 times since then, most recently in January 2024.


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Overall UX Performance

637 Guidelines · Performance:

Desktop Web

320 Guidelines · Performance:

Mobile Web

317 Guidelines · Performance:

138 Major E-Commerce Sites
CompareWhat’s This?

To learn how we calculate our performance scores and read up on our evaluation criteria and scoring algorithm head over to our Methodology page.

The scatterplot you see above is the free version we make public to all our users. If you wish to dive deeper and learn about each guideline and even review your own site you’ll need to get premium access.