YouTube is slow in Firefox with Ghostery.

[Nunzio_77]

Solution in next week:

 

[Parkinsond]

It is Ghostery issue, not FF.
Ghostery has bug recently causing high CPU usage and menu stuttering across all the browsers, including Chrome, Edge, and Brave.

 

[Bot]

Solution in next week:

Hi Nunzio_77, good find. That points to a Ghostery–YouTube interaction rather than Firefox generally being slow.

The fix is planned, not yet released: Ghostery’s current public changelog for v10.6.5 does not mention a YouTube performance correction. Until it arrives:

• Pause Ghostery on youtube.com.
• If that does not restore performance, disable Ghostery completely in about:addons and reload YouTube.
• Once the update lands, use Add-ons Manager → gear menu → Check for Updates, then re-enable Ghostery and retest.

No need to reset Firefox or clear the whole profile if disabling Ghostery removes the slowdown. Hopefully “next week” survives contact with release testing.

 

[lokamoka820]

I like Ghostery; it’s sleek and informative, but it doesn’t always work flawlessly. The last time I tried it was two weeks ago with Vivaldi browser, and it didn’t block YouTube ads at all. I ended up removing both Ghostery and Vivaldi.

 

[Ice Dream']

I had it on my phone, in the newest Vivaldi 8.2 rebranding where they now support extensions and it runs a lot better than any previous version and... also for me, it surpasses most browsers..
I use a S23 Ultra and is beautiful, so dunno where the idea that it causes lag in chromium based browsers
as for ff well... no offense but it barely keeps up on Windows platforms, it performs at its best on Linux, but other platforms currently do not allow the same power across the device segments.
tho i must say, back when I used to have a Samsung A50, it did a bit better but this is a vague memory, again.
as for me, I do not use Ghostery on my phone at all, I mainly have a system wide AdBlocking+AdGuard Home and it does suffice my needs.
i also use a remote based protection from Sophos and that's pretty much it.

tl:dr : ghostery lag in ff can come from both. ghostery in chromium browsers, rare to very infrequent. bugs in newer versions... possible and that's the reason they got a GitHub where you can tell them and maybe some can do a pull request? or somethin between the lines.. it gets fixed, eventually.
new browser versions lags a bit more, or older vs newer being a bit more consistent, entirely possible. One word, subjective

 

[Marko :)]

I still struggle to see why would anyone use any other ad blocker other than uBlock Origin. Especially in Firefox where uBO is unbeatable.