Definition: first website
The very first Web server on the Web was published and running on a NeXT computer at the European Organization for Nuclear Research (CERN) in 1989. As of 2019, it can still be viewed at http://info.cern.ch. See World Wide Web and NeXT.
First Command Line Browser (1991)
Hardly the multimedia extravaganza it is today, the Web was nevertheless quite something in the beginning. It can be viewed today just as it was then by visiting: http://line-mode.cern.ch/www/hypertext/WWW/TheProject.html.