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Firefox becomes slow after a couple of weeks open (bugzilla.mozilla.org)

submitted 1 week ago by TheMachineStops@discuss.tchncs.de to c/firefox@lemmy.ml

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Does anyone have this issue were firefox becomes slow if left open for a long time. In my case after a couple of weeks rendering becomes slow and when I use youtube for example if is laggy, just trying to change volume taka few second to show the volume bar. It also happens to my laptop at work. I have around 30 tabs open.

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[–] GeraldiniBobini@lemmy.world 18 points 1 week ago (2 children)

You can see the worst offenders in firefox by using the hamburger menu then more tools and Task manager. You can sort by ram. YouTube likes to hold gigs of ram for some videos. Close the biggest offenders and you'll get back close to normal speed.

[–] Atemu@lemmy.ml 4 points 1 week ago

Ding ding ding, the only good reply in this thread.

The symptoms described by OP smell like good old memory exhaustion.

[–] ChairmanMeow@programming.dev 1 points 1 week ago

In my experience this doesn't matter. Firefox just slows down if it's been open for long, regardless for how long the tab has been open for. Even if you unload all active tabs and open a new one, that new tab will still be significantly slower than it would be if you restarted the entire browser.

It's some kind of slow resource leak somewhere.