Firefox 3 is a old version of the Mozilla Web browser, based on Gecko 1.9.2, and the last before the change to faster development cycle 2011.
Firefox 3 is still valid on the web today, and we may provide a better performance than most current browsers on an older computer .
However, it is possible that some web pages may not display correctly as support for standards was not complete and does not include even HTML5 support that do have the current browsers.
Modern browsers are increasingly loaded with features and programmed with the mind set on the high-performance PC, which can make them work in an old PC slow
If this is your case, and you still use the classic Firefox 3, no shame in that.Basically, Firefox has hardly changed since then , although the version number indicated otherwise.
Among the new features of Firefox 3 highlights the functionality People , whereby you can include a custom background on your browser very quickly, and without rebooting.
In addition, Firefox 3 lets you know when a complement is outdated, urging you to upgrade.