Why Mozilla Firefox is so popular?

If we want to understand the reasons behind Firefox success we have to find the origins of the browser.
During, September 2002 the first version of the browser was released to the public called Phoenix. The browser was based on Gecko engine from Mozilla Suite. After, a number of releases the name was changed to Firebird but due to a legal dispute it was changed again to Firefox. This browser has received a great deal of publicity as an alternative browser to Internet Explorer.

There are many factors behind Firefox