I recently switched back to Firefox after using Chrome and Edge as my main browsers for the past couple of years. So far: * Performance feels better. Both in terms of being more lean in everyday use, and in not having random issues where CPU/Memory spikes for seemingly no reason. * I'm sure there are websites that don't work with Firefox, but I haven't found any yet. * I don't like that tabs in the tab bar are roundr…
There is a webapp I use that has a chat feature and causes high CPU consumption on Firefox. It's the only app I know. I'll switch to Chrome if I use it.