Active Sites

Developer	August 2003	Percent	September 2003	Percent	Change
Apache	13325183	67.28	13371621	67.45	0.17
Microsoft	4839624	24.44	4804550	24.23	-0.21
Zeus	265011	1.34	266220	1.34	0.00
SunONE	213943	1.08	211234	1.07	-0.01

Totals for Active Servers Across All Domains June 2000 – September 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.