How to Reduce Firefox Memory Consumption


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.

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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.


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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