Ask HN: Is YouTube causing CPU spikes on Firefox?

9 stein1946 2 6/11/2025, 9:25:08 AM

debian stable, firefox ssr and everyone I know has CPU spikes to the point were the whole system is unusable.

privacy badger and ublock origin the only extensions activated; only on youtube this seems to happen, other video sites work correctly

Is seems to show me "Experiencing distruptions?" bottom left everytime it happens

Comments (2)

Bender · 1d ago

I've seen spikes but not to the point of being unusable if I only have uBlock installed. If I have both uBlock and NoScript installed but I allow javascript from YT and block it from google.com I get massive spikes due to some intermittent dependency on Google at about 60 seconds. It's hard to compare notes with others as they seem to do A/B testing on different groups of CIDR blocks. I stopped logging into YT ages ago.

This is on a Debian fork, Firefox ESR and regular Firefox. I've also never browsed the web from a phone. I am not a developer much less a JavaScript developer so I really do not understand what they are doing in the background. Rumble works fine for me, no spikes at all.

cranberryturkey · 1d ago

i don't use youtube much. but it used to for me.

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Ask HN: Is YouTube causing CPU spikes on Firefox?

Comments (2)