I\'m using Selenium to automate webpage functional testing. It\'s important for us to do a pixel-by-pixel comparison when we roll out new code, so we\'re using Selenium to take
If anyone else is looking for something similar there is Depicted-dpxdt. It is designed to be used as part of a CI/CD process.
It combines perceptual diff with server, commandline tool, wrapper for phantom js.
It has functionality demonstrated like crawling entire site and comparing pages for differences.