In May 2011, IE widened its lead on Firefox by 1.55%.
IE was the only major browser losing market share in September, 2009.
Browser market share for July 2007.
Browser market share for June, 2007, based on traffic to my top website.
Shows browser market share for April 2007.
Before you launch your new website or hot new redesign, make sure you test your site in both IE and Firefox to make sure your user experience is not affected by the browser.
Shows the browser market share for March, 2007.
Shows browser market share for January 2007.