Web servers responding to http requests by default incorporate their web server and platform identity and versions. Although often sys admins close that options. From all the sites we are monitoring we could identify 37,391 our customer websites which has that option enabled.

As expected open source Apache web server is leading here. We heard about 60-65% of market share. According to our data Apache has more market share – 69%! Second was Microsoft IIS server with 26%. The full allocation by numbers and percents is bellow:

Technorati Tags: Apache, iis, web servers, http server, nginx, lightttpd, mongrel, monitoring, mon.itor.us, monitis

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