Firefox Memory Issues

So I wasn’t imagining things. Seems like there are loads of other people that have been experiencing memory/performance issues when using Firefox – especially when having multiple tabs open.

So it is a feature that has caused the pain. From Element 14

‘Firefox does not have a memory “bug”, but here’s how you improve mem usage

Even after at least hundreds of posts on, even after a Slashdot article there’s thousands of people out there complaining about the Firefox Memory Bug. Lets get it straight. It’s not a bug. It’s part of the cache feature. This ‘feature’ is how the pages are cached in a tabbed environment. To improve performance when navigating (studies show that 39% of all page navigations are renavigations to pages visited less than 10 pages ago, usually using the back button), Firefox 1.5 implements a Back-Forward cache that retains the rendered document for the last five session history entries for each tab. This is a lot of data. If you have a lot of tabs, Firefox’s memory usage can climb dramatically. It’s a trade-off. What you get out of it is faster performance as you navigate the web.’

Apologies to Meebo from my post yesterday.

powered by performancing firefox

One response to “Firefox Memory Issues

  1. It’s such a ball-ache. I am a huge fan of Firefox but both my PC and Mac notebooks burn up when I’m running it. FF2.0 no improvement either.


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