The benchmark score is essentially an expression of how good (or bad) an experience a first time customer will have during checkout - based on the 63 e-commerce checkout usability guidelines documented in the E-Commerce Checkout Usability report.
The specific score is calculated using a weighted multi-parameter algorithm:
Below is a brief description of the main elements in the algorithm:
The Highlights marked at the screenshots of a site’s checkout process are specific examples that the reviewer judged to be of interest to the reader. It is the site’s overall adherence or violation of a guideline that is used to calculate the site’s score - thus there can be a specific Highlight that shows an example of how a site adheres to a specific guideline, even though the site’s overall checkout process is registered and scored to violate the very same guideline (typically because the site violates the guideline in another checkout step), and vice versa.
Baymard Institute provide this information “as is”. It is based on the reviewers subjective judgement of each site at the time of testing and in relation to the documented guidelines. Baymard Institute can’t be held responsible for any kind of usage or correctness of the provided information.
The screenshots used may contain images and artwork that are both copyright and trademark protected by their respective owners. Baymard Institute does not claim to have ownership of the artwork that might be featured within these screenshots, and solely capture and store the website screenshots in order to provide constructive review and feedback within the topic of web design and web usability.