March 26, 2004 -- (WEB HOST INDUSTRY REVIEW) -- Microsoft IIS (microsoft.com) continues to run on over half of the top 1000 corporate Web sites, according to Port 80 Software's (port80software.com) March Web server survey.
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According to the survey's results, 53.4 percent of the sites surveyed ran Microsoft IIS, just slightly above last month's 53.3 percent. The percentage of sites running Apache was 19.5 percent, up 0.2 percent from February. Netscape Enterprise ran 16.5 percent of the sites while the remaining 10.6 percent ran Lotus Domino, Weblogic, Websphere, IBM, SunOne, Zeus and others.
For the second consecutive month, Microsoft IIS 6.0 on Windows Server 2003 made the largest jump of any single platform, gaining 0.7 percent of total market share after increasing by 0.8 percent in February. Port 80 said the gains of Microsoft IIS 6.0 were particularly noteworthy in light of the fact that the market shares of all the other platforms remained largely unchanged.
Microsoft IIS 4.0, with 6.9 percent market share, continued to decline, in a trend that Port 80 attributed to fortune 1000 companies continuing to upgrade their systems to Windows 2000 and Windows 2003.
Port 80's survey uses the Web sites of the fortune 1000, a data sample it argues has more relevance for business decision makers. In contrast, Netcraft's (netcraft.com) latest Web server survey measures Web server software usage on all Internet connected computers. Its latest survey found that Apache held 67.20 percent of total market share while Microsoft came in at 21.02 percent.
