Website

A website refers to a collection of content (such as web pages) made available by one or more computers on the Internet running a web server process.

Description
A particular website is usually identified by the hostname portion of its URL. Multiple hostnames may actually map to the same computer in which case they are known as "s".

History
The world's first website went online on August 6, 1991. It was set up on a NeXT Computer System at (European Organization for Nuclear Research) by Tim Berners-Lee.