How to reduce Firefox memory consumption

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Hate to admit this but sometimes I really suspect the slowness of my browsing experience comes from heavy memory usage by my Firefox, and there is nothing to replace good-o-firefox. I need to open too many tabs and cannot afford buggy Internet Explorer. I’ve tried it and think it helps a lot.

How to reduce memory usage in Mozilla Firefox

  1. Type about:config in the Firefox address bar
  2. Search for browser.sessionhistory.max_entries
  3. Double click on the value 50, change it to something lower, 5 should be good.

Explanations

Averagely we surf less than 5 of the websites we previously surfed before, there is no need to usage up that much memory (which is 50 by default)

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Posted by hongkiat in Firefox , at 02.27.07

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Comments

  1. mwt February 28th, 2007

    Thanks for the tip. Firefox is buggy & unsecured. I had the update version 2.0 installed but there is this “automatic update” coming in and with a restart it goes back to 1.5.01.0. Any similar experience?

    Reply
  2. hongkiat February 28th, 2007

    Hmm, speaking of that I have a bad experience of the Firefox updates. It prompts for update and keep on restarting endless times. I have to uninstall it, remove the firefox.exe and reinstall it back to solve the problem.

    I suspect its one of the plugins I’ve installed that causes this

    Reply
  3. rackmanager March 1st, 2007

    good to know !
    thx a lot !

    Reply
  4. Adam Nugent April 23rd, 2007

    I’ve just wrote a few tutorials on Firefox Memory Issues, this seams to be one I have missed! I’ll have to write a tutorial for this to add to my Memory Issues.

    Thanks
    Adam

    Reply
  5. papajoneh June 4th, 2007

    great tips as always. thanks man. :)

    Reply
  6. Amitav Roy June 9th, 2007

    you are awsome man
    this is a very useful tip i should say

    Reply
  7. Satish Talim July 2nd, 2007

    Very useful. Thanks.

    Reply
  8. mozillaman July 21st, 2007

    If you type about:mozilla in the address bar you get an excerpt from The Book of Mozilla.

    Reply
  9. phpHicn July 21st, 2007

    Great!
    Thanks

    Reply
  10. Mike Koenig July 24th, 2007

    Working on this one. My home pc needs all the ram it can get… lol Big thanks. How much space are we talking about here?

    Reply
  11. Helmet July 24th, 2007

    Great TUT, thanks Hongkiat!

    One thing to keep in mind: The polaroid image itself is a square. So you wanna keep the width and height equal (step 4). Look at W & H in the “Info” tab (FN + F8 for Mac).

    As a gimmick you could add sticky tape or a drawing pin and maybe some dirt or something;)

    @Lenny: You can also right-click the layer and go to Blending Options.

    Cheers

    Reply
  12. Helmet July 24th, 2007

    Somehow this got into the wrong tutorial, sorry!

    Reply
  13. dan August 9th, 2007

    OMG how brilliant!!! I think I will hold off buying a new laptop for a few more months now :)

    Reply
  14. huisia September 1st, 2007

    good info, thanks!

    Reply
  15. Welcome to Paradise March 15th, 2008

    Quite impressive mate.

    Reply
  16. dev July 11th, 2008

    it say it may cause security and other have problem when i # Type about:config in the Firefox address bar but thank anyway

    Reply

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