January 2004 Web Server Survey

In the January 2004 survey we received responses from 46,067,743 sites.

Graph of market share for top servers across all domains, August 1995 - January 2004

Top Developers
Developer December 2003Percent January 2004Percent Change
Apache3100569067.433104092267.38-0.05
Microsoft959657120.87967597921.000.13
SunONE15303723.3315038553.26-0.07
Zeus7497911.637520531.630.00
DeveloperDecember 2003PercentJanuary 2004PercentChange
Apache1475402969.141473099669.01-0.13
Microsoft489382122.93500556123.450.52
Zeus2699211.262587231.21-0.05
SunONE2046280.962010820.94-0.02
Totals for Active Servers Across All Domains
June 2000 - January 2004


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.