I'm pleased to see others have good experience with FF performance, but for me, the performance simply became unacceptable.
The issue here is that this wasn't always the case, or at least wasn't always this bad. While Firefox has always been far from perfect, there was a time when mozillazine consisted mostly of praise and evangelism, and not all of it naive fandom. Also, as a former Opera user, there was also a time when the landscape as a whole contained a higher quality set of options in general. There were numerous browsers then better than the current least worst.
Even recently, Firefox has inspired hope & interest with Servo, Quantum, and even things like the amazing webextension migration effort: controversial and unpopular with many it was nonetheless a greatly successful engineering effort, and has borne fruit in the recent furore over v3 manifests, with Firefox coming out ahead. It's also got cool added APIs that makes sense for the traditional Firefox community but are still standards compliant and interoperable. But all that progress is now already waning with Servo dev cut, progressive popular distinguishing features like MAC being relegated to APIs & UI removed from core.
There's precious little left to distinguish Firefox from Chrome, and nothing new on the horizon.
Even the fully local translation is really usable now <3. I don't use chrome for anything and it's not even installed on my daily driver anymore.
Ironically, the only time I have had issues, overriding the user agent to look like chrome or edge fixed it. So those websites were deliberately broken with Firefox, not Mozilla's fault but pure malice and dark patterns. Office 365 is one of these sites by the way.
with their continued slide in marketshare to what is essentially an irrelevant portion of the market, i'm guessing this isn't just me.
Android has native support for keyboards since API 1.