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 281,292 websites that are Microsoft Personal Web Server Customers. We know of 26,306 live websites using Microsoft Personal Web Server and an additional 254,986 sites that used Microsoft Personal Web Server historically and 17,067 websites in the United States.
Get a list of 281,292 websites using Microsoft Personal Web Server which includes location information, hosting data, contact details, 26,306 currently live websites and an additional 408,899 domains that redirect to sites in this list. 254,986 sites that used this technology previouslyand 17,067 websites in the United States currently using Microsoft Personal Web Server.
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