Microsoft Personal Web Server (PWS) was personal web server software offered by Microsoft for the Windows operating system.Large sites reporting using PWS may be purposely misleading.
https://en.wikipedia.org/wiki/Windows_Personal_Web_Server
Web Servers
Get access to data on 278,749 websites that are Microsoft Personal Web Server Customers. We know of 22,580 live websites using Microsoft Personal Web Server and an additional 256,169 sites that used Microsoft Personal Web Server historically and 14,635 websites in the United States.
Get a list of 278,749 websites using Microsoft Personal Web Server which includes location information, hosting data, contact details, 22,580 currently live websites and an additional 373,073 domains that redirect to sites in this list. 256,169 sites that used this technology previouslyand 14,635 websites in the United States currently using Microsoft Personal Web Server.
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