Tip to lower memory useage in firefox when minimized

This little hack will drop Firefox’s RAM usage down to 10 Mb when minimized:

1. Open Firefox and go to the Address Bar. Type in about:config and then press Enter.
2. Right Click in the page and select New -> Boolean.
3. In the box that pops up enter “config.trim_on_minimize”. Press Enter.
4. Now select True and then press Enter.
5. Restart Firefox.

Works for me,give it a try

 

Nice one Boost

Have just set this up and it certainly does seem to work.

I tend to keep about three tabs open (including Wilders ) which was consuming some 100Mb when minimised without the tweak. With the tweask that goes down to 5MB...with so far no discernible ill effects and not effect in terms of slow down when maximising.

Cheers

 

Works for me too, nice.

 

FF memory tweaks/hacks'll yield a few others. Don't forget these guys - http://kb.mozillazine.org/Problematic_extensions

 

Nice FF "about:config" guide here.

 

awesome tip!!! very usefull!! 10x mate

 

Still 130K for me, maybe because of all the add-ons loading on it..

 

TTT for people who have not seen this useful tip yet.

 

Old, very old news...

http://kb.mozillazine.org/Config.trim_on_minimize

 

I know what you mean. For me with the “config.trim_on_minimize” enabled it only reduces mem for a very short time. I can open up task manager, minimize Firefox and watch the process in task manager drop really low but it quickly rises back to where it was even though Firefox is still minimized.

 

http://kb.mozillazine.org/Reducing_memory_usage_-_Firefox

 

I don't know how anyone can use firefox and not get upset with the massive memory leak. Thats without the addons. Wiith the addons its worse. Especially if they were written wrong they make it leak even more.

 

Yea, but not everyone knows about it, and I found the post to be very usefull!
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Thanks for the tip Boost

 

Your welcome

 

I know there is a script if you use greasemonkey which is supposed to speed things up.
I did not tryed any of the methods becouse the only time when firefox is kind of slow for me is at cold starts.
All the persons that i know and use the above script told me it makes browsing faster.

 

What I find interesting about the original tip is that if I minimise FF 3.0 the usage is redued to a great extent but not to its lowest. If I maximise the applciation again and then immediately minimise it again the usgage goes down to around 7k. Seems to happen every time.

But a small price to pay for getting it reduced right down.

 

this hack is not useful for slow machine,