#52: My computer is slow! Firefox is a CPU/resource hog!

on June 05, 2009, 11:14 AM UTC   —   from   Unknown_user_icon k7lim    ( 809 views )
I'm on OS X 10.5 running FF 3
Tags: firefox cpu slow
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Firebug

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- Unknown_user_icon spigoat on June 23, 2009, 11:36 PM UTC

The reference probably mentions this, but do you have Firebug running? It can really kill performance. You should disable it by default for all sites and turn it on piecemeal.
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Try 3.5

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- 6532902ab14e688e065033bd5b1e2486_small nfultz on July 07, 2009, 04:32 PM UTC

You could try upgrading to 3.5. It's runs JS much faster, and seems to handle more tabs a bit better.
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References

Problematic extensions - MozillaZine Knowledge Base

http://kb.mozillazine.org/Problematic_extensions - found by Unknown_user_icon k7lim on June 05, 2009, 11:16 AM UTC

This is a list of extensions that can slow down or cause problems in firefox

Tags: mozillazine list firefox extensions