I received the follow press release from Port80 Software:

New Survey Finds Fortune 1000 Companies Firmly Entrenched In Micrsoft Web Server

Port80 Software Shows Microsoft’s Software Currently Serves 54% of Top 1000 Corporate Web Sites Versus Apache’s 18% Market Share

A new survey of Fortune 1000 corporate Web sites conducted by Port80 Software, Inc., an innovative developer of software modules for Microsoft’s Internet Information Server (IIS), reports that Microsoft IIS commands a strong 54% market share in the race for corporate Web server dominance. Microsoft’s lead among the Fortune 1000 casts a different light on the popular Netcraft Web Server Survey, which typically shows a total 60% market share for the Apache Web server and 26-30% market share for Microsoft IIS.

For additional details on Port 80 Software’s survey methodology and a tool that checks each company’s Web server type in real-time, visit http://www.port80software.com/servermask/top1000webservers/

The full press release is available at http://www.port80software.com/about/pr_012103.asp