Active Sites

Developer	September 2003	Percent	October 2003	Percent	Change
Apache	13371621	67.45	13524221	67.35	-0.10
Microsoft	4804550	24.23	4919247	24.50	0.27
Zeus	266220	1.34	257464	1.28	-0.06
SunONE	211234	1.07	214184	1.07	0.00

Totals for Active Servers Across All Domains June 2000 – October 2003

SunONE is the sum of sites running iPlanet-Enterprise, Netscape-Enterprise, Netscape-FastTrack, Netscape-Commerce, Netscape-Communications, Netsite-Commerce & Netsite-Communications.

Microsoft is the sum of sites running Microsoft-Internet-Information-Server, Microsoft-IIS, Microsoft-IIS-W, Microsoft-PWS-95, & Microsoft-PWS.

Platform groupings are here.

The Netcraft Web Server Survey is a survey of Web Server software usage on Internet connected computers. We collect and collate as many hostnames providing an http service as we can find, and systematically poll each one with an HTTP request for the server name.