FireTune for Mozilla Firefox v1.x was developed for an easy and fast optimization of your browsing experience with Firefox. It is based on a collection of popular and well working optimization settings used and tested by the experts. Usually you have to optimize Firefox manually, which can be time consuming and difficult for the novice user. FireTune helps you here - it includes all the performance optimizations. The only thing you must do is: make your selection. FireTune does the work for you.
According to your specific computer speed and internet connection speed, FireTune will optimize several internal settings of Firefox for better performance. FireTune does NOT modify the Firefox executable, or any other Firefox binary file. Everything can be undone easily provided you saved your original profile configuration file with FireTune's profile backup feature before.