SearchEngineWatch: Mozilla Firefox: The Searcher’s Browser

“Firefox has emerged as the first browser in years to seriously
challenge Internet Explorer—with good reason. Firefox has
superior security and anti-scumware features, it works on Windows,
Linux, MacOS X and other operating systems, and it’s free.

“Best of all, Firefox offers lots of goodies for searchers, both
through a built-in Google search toolbar, as well as dozens of free
extensions created by an active open-source developer