Earlier quoted context omitted.
My opposite viewpoint as a web developer: Chrome is faster and renders better than Firefox is pretty much every way. Safari delivers faithful color reproduction and speed. I spent 10x as much time fixing Firefox rendering issues compared to every other browser, including Microsoft Edge. Firefox has lost its edge. I do miss tree style tabs, though.
Firefox has been my primary browser since 0.93, so I am naturally biased, but here is my anecdotal position. I develop sites in Firefox and then go for compatibility checking in other browsers. Edge is normally fine. Chrome is horrible . Atrocious. Abysmal. It implements lots of new features, but they are just so regularly buggy or badly implemented. To select the example I remember the clearest (there have been many…
Here's just one of the many bugs filed on the topic: https://bugzilla.mozilla.org/show_bug.cgi?id=1187209. Firefox can have major (breaking) paint bugs filed and have "Status: NEW" for basically an entire year.