Is usability a part of regression testing?

1. What should be included in regression testing?
2. What type of testing is usability testing?
3. Is usability testing part of functional testing?

What should be included in regression testing?

Regression testing includes both functional testing and nonfunctional testing. Functional regression tests ensure that the software works as intended. Nonfunctional software tests evaluate whether changes lead to performance degradation or security issues.

What type of testing is usability testing?

Usability testing is a method of testing the functionality of a website, app, or other digital product by observing real users as they attempt to complete tasks on it. The users are usually observed by researchers working for a business.

Is usability testing part of functional testing?

Usability testing is a form of non-functional testing because it assesses how the product performs for the user. Usability testing gauges the accessibility of applications and if users can complete tasks using your product. By testing the usability of a product, you're performing non-functional testing.