With millions of copies downloaded in its first few days of availability, Firefox 3.5 is no doubt one of the most popular pieces of software.
According to StatCounter, a web tracking service that covers over 3 million pages and approximately 5 billion page views per month, Firefox 3.5 now has almost the same market share as Internet Explorer 7.0.
Data collected by StatCounter shows that Firefox 3.5 has seen steep growth since its launch. During the same period Internet Explorer 7.0 and 6.0 have been declining slowly. Overall, Internet Explorer with all its versions still has double the market share of all versions of Firefox.