Google Chrome continued to gain momentum in February 2012, now less than 4% behind IE for #1 and about 1.5% behind Firefox for #2.
In January 2012, Google Chrome gained market share at the expense of Firefox and Opera.
In December 2011, Google Chrome gained the most market share among all browsers. In comparing December 2011 vs December 2010, Google Chrome gained more than 50% in market share.
In November 2011, Google Chrome was the big winner in market share, while IE suffered the most loss.
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.