#166: Learn to Integrate Visual Testing with Percy

Did you know that you can set up a review system so that every pull request you make shows you exactly what has changed visually on your site?
That's exactly what Percy does. It assumes what you have on master is correct (configurable) and, when you do a pull request, it literally takes screenshots and compares them to the screenshots of what is on master. If anything has changed, it lets you know, just like unit or integration tests would. …