When I ask frontend engineers about what browsers they are most likely to find visual bugs in…
I recently added a github app for happo.io with the sole purpose of posting back statuses to a commit. While much of the documentation for the github API is outstanding, I found myself struggling with generating the auth tokens necessary to call…
If you’ve ever tried implementing visual regression testing for your application, you know that spurious diffs can be a real pain. These are minor differences in the UI screenshots causing an example to show up as having a diff despite not having changed.
Four years ago, Joe Lencioni and I started building a screenshot testing tool that would help us find visual bugs before they went out into production. A while later we introduced our tool, then named Diffux, as an open source project at Camp Sass 2014. Like many screenshot diffing tools out…
