this post was submitted on 25 Nov 2025
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Saw this ghacks article for speeding up YouTube on FF and seems to help. (www.ghacks.net)
submitted 2 months ago by otter@lemmy.ca to c/opensource@lemmy.ml
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cross-posted from: https://lemmy.ml/post/39446054

I have seen folks talk about a pain point for using FF (or forks) being related to YouTube being super slow. The about:config settings the article mentions did seem to lead to YouTube loading faster on both my FF and Zen-Browser installs. So maybe this might help for others that specifically don't like to use FF as their main browser because of YouTube.

For those that just want the settings:

gfx.webrender.compositor.force-enabled (set to true and restart FF)

If on AMD GPU, this extra setting is supposed to help reduce CPU usage:

media.wmf.zero-copy-nv12-textures-force-enabled (set to true and restart FF)

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[–] Unquote0270@programming.dev 2 points 2 months ago

I tried gfx.webrender.layer-compositor on linux and it actually made things a lot worse for me. Youtube took longer to load and sometimes didn't load correctly leading to the page having to be refreshed before it would respond.