Mike Dimmick wrote:

An interesting second-source is Port80 Software's Top 1000 Web Servers survey.


I found this a great source but was a little suspicious of the particular sample base they used. So I did a fair amount of going through and checking which sectors used what. Most critical financial services seem to use either Netscape or IBM and a few Sun. Many regular commerce sites will use those or IIS. What did suprise me is that when money starts to change hands not too many want to trust Apache/Linux...