Firefox browser (Mozilla Firefox) is a web browser developed by Mozilla, with Gecko Web page typesetting engine, supporting multiple operating systems, open source licensing in multiple licenses, including Mozilla Public License (MPL), GNU General public Licensing terms ( GPL) and the GNU Looser Public License (LGPL), the goal is to create an open, innovative and opportunity network environment.
Third-party plug-ins have become a number of senior players to choose the reasons for Firefox browser, but Firefox started slow, CPU high response, etc. than other browsers become a disadvantage.
Kernel: Using the Gecko engine (ie, not the Internet Explorer kernel),
Features: Features Firefox magic Mirror, with fewer features, but there are many plug-ins, like to play plug-ins friends can try.
Safari browsers are mostly used on Apple's operating system and are the best browsers for Apple's operating system.
Kernel: WebKit core
Function: Most of the professional features related to developers, ordinary users are basically not used.