I have very few issues with Firefox. I fine across a site that does not render properly maybe once every other month. I did have some resource issues with it in Windows 10 with it using too much RAM (regularly using 3-4GB) but that has been fixed since I switch to Linux.
progettarsi@feddit.it 2 months ago
every site i use is slow af in librewolf (basically firefox) and also uses a lot of resources more than chromium based browsers