March 2004 Web Server Survey

In the March 2004 survey we received responses from 48,038,131 sites.

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

Top Developers
Developer February 2004Percent March 2004Percent Change
Apache3170388467.213228058267.20-0.01
Microsoft984997120.881009976021.020.14
SunONE16572953.5116515753.44-0.07
Zeus7552271.607627161.59-0.01

For the third month in a row, despite significant growth in absolute terms, the percentage market share of Apache and Microsoft have change by less than the 0.3% resolution of the graph, so the graphs are flat.

DeveloperFebruary 2004PercentMarch 2004PercentChange
Apache1506559469.271535579668.82-0.45
Microsoft497763722.89521380023.370.48
Zeus2628711.212644871.19-0.02
SunONE2011520.922063900.920.00
Totals for Active Servers Across All Domains
June 2000 - March 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.