Are you running an old version of FF? I used to have issues with YT about two years ago but they made fixes and it has been fine since then. I watch a lot of Y

Are you running an old version of FF? I used to have issues with YT about two years ago but they made fixes and it has been fine since then. I watch a lot of YT content through FF and it has worked fine on both Windows and MacOS / OS X for a long time.