i cannot play 1080p 60fps video on youtube on firefox or any other browser the video just gets stuck and shows the loading animation i have also tried playing 720p 60fps but this also lags but no that much i also have a windows 10 pc with firefox and it runs youtube 1080 60fps smooth any help is app…

Firefox does not use hardware video acceleration when you watch videos on Youtube out of the box. You can use Chromium, where hardware video acceleration is very easy to activate: just open the chrome flags page: just type chrome in the adressbar and it should give you the suggestion chrome://url…