Firefox uptake around the world

Twice today I encountered academic web sites that did not work at all in Firefox; in both cases these were sites that simply could not afford to have users struggle with them.

It is some time since I looked at figures for the uptake of Firefox as compared with Internet Explorer and other browsers:  when I searched I found this interesting map in a late 2007 article on the French company XiTi's web site.

Scroll down the article for a much wider range of informatively organised data.