Really more for those that may be new to Firefox, CNet has posted an article with 10 tips for helping to keep Firefox running lean and mean.
Everybody who’s experienced the fun of customizing Firefox to his or her liking has a favorite extension. Whether it’s the improved navigation and session-saving friendliness of TabMixPlus or the [...]

Last December we showed you how to make Firefox faster and now we have found another tip that could speed up and fix those lockups you might be experiencing with Firefox.

Disable the autoupdate feature in switchproxy (Note: This will cause you to lose the update link to pull from)
Disable check for notification of switchproxy updates.

Also [...]

Via the GoogleBlog, Google is now optimized to work faster with Firefox and Mozilla by utilizing the prefetching mechanism included with those browsers. What is prefetching, you ask?
Link prefetching is a browser mechanism, which utilizes browser idle time to download or prefetch documents that the user might visit in the near future. A web [...]

After you get past the “beginner”:http://forevergeek.com/open_source/a_beginners_guide_to_firefox.php stage with Firefox, try this “power-user” trick to make it download pages faster by allowing multiple connections so it can download more than one file at a time. It’s only useful for broadband users, so if you’re still on dial-up you can just skip this one for now.

Here’s something [...]