Ask any software team, and they’ll tell you that testing is an important part of their development process. With early stage products there’s usually only a few key workflows and testing them manually doesn’t take much time. But as the product becomes more complex, and as the stakes get higher with more and more users depending on the product, what once was a straightforward process becomes anything but.
Visual validation is one of the most common tasks in web development for helping maintainers ensure the visual aspects of their user experience. Automated tools, such as Reflect, allow you to easily track your site's UI over time and be notified whenever changes appear.