Wrote these notes to myself more than for any other reason as i have a variety of boxes running various browsers, operating systems, etc. So:
http://kb.mozillazine.org/About:config to find out how to change/maintain the firefox preferences
david tan has a few nice suggestions to improve f/f performance by changing preferences;
see here: http://www.davidtan.org/tips-reduce-firefox-memory-cache-usage/
many of these preferences are explained there
other suggestions to improve firefox performance is by making changes to the firefox internal configuration values.
There are also a few settings that are unique to TenFourFox. Just type tenfourfox in the address bar and you’ll see them there. They have to do with disabling certain troublesome plug-in features.