It's debatable. StatCounter measures usage (not users), and gathers data by websites including it, I believe. Generally StatCounter overstates Firefox and Chrom

It's debatable. StatCounter measures usage (not users), and gathers data by websites including it, I believe. Generally StatCounter overstates Firefox and Chrome numbers, see the comparison on Wikipedia's browser share page, http://en.wikipedia.org/wiki/Usage_share_of_web_browsers http://en.wikipedia.org/wiki/Usage_share_of_web_browsers But it is still a good indicator of trends, most likely, even if it is biased.