This is absolutely the ultimate guide to hacking the wildly popular Firefox browser, written by web programming expert, and Firefox hacker Mel Reyes.Even novice Firefox users will be able to immediately begin modifying and customizing Firefox's appearance and functionality, and then move on to tweaking performance, and tweaking configurations. More advanced coverage includes creating custom installations for various platforms including Linux, Windows memory optimizations, network performance, and creating your own extensions and themes.Roll up your sleeves, and dive into these hacks including: * Customizing Firefox appearance with themes * Building and packaging your own themes * Unlocking hidden configuration settings * Speeding up browsing speeds and page rendering * Hacking profile settings * Optimizing the disk and memory cache * Understanding JavaScript, XUL, RDF and DOM Hacking * Building extensionsand so much more.