1, Mozilla Firefox, Chinese name Firefox, is an open source web browser, which uses Gecko engine (ie non-IE kernel) and is jointly developed by Mozilla Foundation and hundreds of volunteers. Originally known as "Phoenix", it was later renamed as "Mozilla Firebird" and later changed to "Firefox". Firefox is a portable, fast, simple and highly extensible browser developed by Mozilla Foundation.
2.Opera is an excellent browser from Norway. It has the characteristics of high speed, saving system resources, strong customization ability, high security and small size. Currently, it is one of the most popular browsers. Multi-file interface (MDI), convenient zoom function, integrated search engine, keyboard shortcut and mouse browsing function, prevented from popping up from the last browsing progress when the machine crashed, full screen, supported HTML standard, integrated email and newsgroups, and allowed users to customize the arrangement of interface buttons, skins, toolbars, etc. It is a special function that Opera has loved for many years.