Answer:
The very first Web site was
nxoc01.cern.ch
and the very first Web page was:
http://nxoc01.cern.ch/hypertext/WWW/TheProject.html
Timothy John Berners-Lee, the "inventor" of the World Wide Web, worked for CERN (the European Organization for Nuclear Research) and first put the Web site online on August 6, 1991. It provided an explanation about what the World Wide Web was, how one could own a browser, and how to set up a Web server.