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 280,632 websites that are Microsoft Personal Web Server Customers. We know of 24,527 live websites using Microsoft Personal Web Server and an additional 256,105 sites that used Microsoft Personal Web Server historically and 15,883 websites in the United States.
Get a list of 280,632 websites using Microsoft Personal Web Server which includes location information, hosting data, contact details, 24,527 currently live websites and an additional 395,543 domains that redirect to sites in this list. 256,105 sites that used this technology previouslyand 15,883 websites in the United States currently using Microsoft Personal Web Server.
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