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 279,005 websites that are Microsoft Personal Web Server Customers. We know of 21,046 live websites using Microsoft Personal Web Server and an additional 257,959 sites that used Microsoft Personal Web Server historically and 13,571 websites in the United States.
Get a list of 279,005 websites using Microsoft Personal Web Server which includes location information, hosting data, contact details, 21,046 currently live websites and an additional 353,987 domains that redirect to sites in this list. 257,959 sites that used this technology previouslyand 13,571 websites in the United States currently using Microsoft Personal Web Server.
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