A/B tests are used to improve the performance of a page. The target group is divided into a test group A and a test group B. Both groups are shown different content and the results are compared afterwards. Both groups are shown different content and the results are compared afterwards. This method is often used in the marketing department. It can be about a new design, usefulness of different applications, etc.. The goal is not only the website performance, but also an increase in the conversion rate.