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.
Opera browsers support a variety of operating systems, such as Windows, Linux, Mac, FreeBSD, Solaris, BeOS, OS/2, and QNX, and Opera offers many convenient features.
Features: More functions, including wand password management, session management, mouse gestures, keyboard shortcuts, built-in search engine, smart pop-up advertising interception, built-in downloads, web site filtering. It also includes POP mail, IRC chat, RSS browsing, voice control browsing, reading text (not reading Chinese), and adding controls such as calculators, currency converters, weather forecasts, games, and more.