Firefox 4′s market share went up by 11% after Mozilla initiated the upgrade offer last week. That was only on the first day, however, for the browser managed 30% market share growth in the four days since the offer began. This prompted Mozilla’s community coordinator for Firefox marketing Asa Dotzler to compare the gains of Firefox and Internet Explorer 9 (IE9) as both of the browsers launched in March of this year.
IE9 will never catch up to Firefox. It will be a year or two before Microsoft can move the bulk of their IE7 and IE8 users forward.
Going by what web metrics company StatCounter has to say, Firefox 4 usage share sprang from 10.3% to 11.4% the day Mozilla began asking existing users if they wished to upgrade to the new edition, this being an 11% increase. Firefox 4 accounted for 13.2% of all browsers the previous Thursday, this being a 30% increase.
IE9′s progress, on the other hand, has been much slower. Microsoft turned on the Windows Update upgrade on the 18th of April, causing IE9′s share to increase 20% in the first four days since that date. Indicating gradual growth, IE9 broke the 4% barrier for the first time last weekend.
Despite Mozilla having turned on its upgrade offer two weeks after Microsoft, Firefox 4 has accomplished a higher market share than IE9. This can be explained by the fact that Firefox 4 runs on Windows XP, Mac OS X, and Linux along with Windows Vista and Windows 7 while IE9 only runs on the latter two.
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Being passionate about software, Armin joined FavBrowser.com in early 2011 and has been actively writing ever since. Having accepted the challenge, he also enjoys watching anime, indulging in good books, staying fit and healthy, and trying new things.