There are also pop ups (like the EU cookie warning), self-triggering modals, A/B testing experiences, and newer patterns like feedback widgets that give false p

There are also pop ups (like the EU cookie warning), self-triggering modals, A/B testing experiences, and newer patterns like feedback widgets that give false positives. I am working on a visual diff engine that will account for all of these, you can sign up for updates here: http://geodiff.launchrock.com/ http://geodiff.launchrock.com/