this post was submitted on 25 Sep 2023
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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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[–] Yoru@lemmy.ml 2 points 11 months 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 11 months 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 11 months 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.