Ab testing is a way to test different versions (A and B) of a web page or email against each other to see which one performs better. This type of testing is also known as A/B testing, split testing, or bucket testing.
The primary benefit of using ab testing is that it allows you to make data-driven decisions about which version of your page or email performs better. With this information, you can then make changes to your pages or emails that are likely to result in improved performance.