December 2003 Web Server Survey

In the December 2003 survey we received responses from 45,980,112 sites.

Graph of market share for top servers across all domains, August 1995 - December 2003

Top Developers
Developer November 2003Percent December 2003Percent Change
Apache3029806067.413100569067.430.02
Microsoft944918021.02959657120.87-0.15
SunONE15252023.3915303723.33-0.06
Zeus7436111.657497911.63-0.02
DeveloperNovember 2003PercentDecember 2003PercentChange
Apache1437051568.601475402969.140.54
Microsoft491005923.44489382122.93-0.51
Zeus2645081.262699211.260.00
SunONE2107611.012046280.96-0.05
Totals for Active Servers Across All Domains
June 2000 - December 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.