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 94,810 websites Microsoft Personal Web Server Customers. We know of 9,139 live websites using Microsoft Personal Web Server and an additional 85,671 sites that used Microsoft Personal Web Server historically and 5,927 websites in the United States.
Get a list of 94,810 websites using Microsoft Personal Web Server which includes location information, hosting data, contact details, 9,139 currently live websites and an additional 215,100 domains that redirect to sites in this list. 85,671 sites that used this technology previouslyand 5,927 websites in the United States currently using Microsoft Personal Web Server.
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