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

submitted 2 years ago* (last edited 2 years 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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[–] Yoru@lemmy.ml 2 points 2 years ago (2 children)

recently upgraded to an rx 6600 on a ryzen 5 5600 also 16 gigs of mem. here are the addons: the video res is 1080p

[–] Atemu@lemmy.ml 11 points 2 years ago (1 children)

Note that Dark Reader is insanely resource intensive.

(Also note that Disconnect has been unmaintained since before the pandemic and is redundant because UO exists.)

[–] wuffish@mastodon.social 5 points 2 years ago

@Yoru Try clicking the gear in the menu bar, and turning off Ambient Mode. That lagged the crap out of my machine, but on a Intel iGPU.

The dark themes in Enhancer for Youtube also disable ambient mode.