Web site or website: a group of World Wide Web pages usually containing content, images, hyperlinks, and/or videos. Made available online by an individual, company, educational institution, government, or organization. First known use of the word was in 1992.
The URL for the first ever web page put up on the first ever website was http://info.cern.ch/hypertext/WWW/TheProject.html. This link is no longer active, but you can see a copy at: http://www.w3.org/History/19921103-hypertext/hypertext/WWW/TheProject.html.