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Firefox is unbelievably slow when I'm watching youtube videos (lemmy.ml)

submitted 11 months ago* (last edited 11 months ago) by Yoru@lemmy.ml to c/firefox@lemmy.ml

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I have about 25 extensions (almost all needed) and firefox lags like crazy, it's like I'm watching the videos at 10 fps. I download chrome to test it out and sure enough it runs as smooth as butter. Any help?

EDIT: It somehow fixed itself after I started using LibreWolf (with the same addons)

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[–] BananaTrifleViolin@kbin.social 2 points 11 months ago

What OS and device are you running on?

What extensions do you have running?

This is unlikely to be a simple Firefox problem. Try running Firefox in Safe mode and see if you have problems then (go into the main menu and then help to find the option to run without add-ons).

If the videos play well then it's your extensions. If the videos do it play well then it's drivers or the set up of your device.

I've only had problems with Firefox playing videos on a Raspberry Pi in the past due to a bug with drivers for video acceleration not working proberly. I had the problem with Pi OS but not a full Linux distro on the same device.