The most helpful feature is the ability to run tests in multiple environments. This allows me to test my website on different servers and see if there are any differences. The UI needs some work. It's not very intuitive. I wish there were better options available. There isn't one. You have to do all of it manually. Sometimes it doesn't even work properly. I've had instances where we thought the site was working correctly when it wasn't. We would fix the issue and then come back and realize that the website was broken again. It's frustrating! We use this software to check our sites for errors. It has saved us a lot of time and money by finding issues before they become too much work.