firefox is now the dominant browser
September 16, 2008
From the perspective of someone implementing web application software, Firefox is now the dominant browser. Mozilla does an excellent job of making Mac and Windows Firefox almost identical from a programmer’s perspective and every new browser from Microsoft is like a new platform. It would be interesting if Firefox versions were broken out in the stats, but the difference between Firefox 1, 2, and 3 from a compatibility perspective is nowhere as dramatic as the differences between IE 5.5, IE6 and IE7.
Even when you aggregate the versions, Firefox is fast approaching IE…
source w3schools.com