Firefox is an open-source browser, is the best browser, which is favourite of most of the people including me. By applying several awesome extensions (several extensions are available which are free absolutely), it's getting better and better day by day. There is a lots of optimizing techniques and lots of hidden tips and ticks and lots of hacks and tweaks, by which you can make this browser faster, cooler, more efficient and optimized as your own wish. This page tells you how to clean up Mozilla Firefox internet browser.