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 278,802 websites that are Microsoft Personal Web Server Customers. We know of 22,610 live websites using Microsoft Personal Web Server and an additional 256,192 sites that used Microsoft Personal Web Server historically and 14,369 websites in the United States.
Get a list of 278,802 websites using Microsoft Personal Web Server which includes location information, hosting data, contact details, 22,610 currently live websites and an additional 385,122 domains that redirect to sites in this list. 256,192 sites that used this technology previouslyand 14,369 websites in the United States currently using Microsoft Personal Web Server.
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