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The World Wide Web—commonly referred to as WWW, W3, or the Web—is a system of interconnected public webpages accessible through the Internet. The Web is not the same as the Internet: the Web is one of many applications built on top of the Internet.

Tim Berners-Lee proposed the architecture of what became known as the World Wide Web. He created the first web server, web browser, and webpage on his computer at the CERN physics research lab in 1990. In 1991, he announced his creation on the alt.hypertext newsgroup, marking the first time the Web was made public.

What we know as "the Web" consists of several components:

  • The HTTP protocol governs data transfer between a server and a client.
  • To access a Web component, a client supplies a unique universal identifier, called a URL (uniform resource location) or URI (uniform resource identifier) (formally called Universal Document Identifier (UDI)).
  • HTML (hypertext markup language) is the most common format for publishing web documents.

Linking, or connecting resources through hyperlinks, is a major concept giving the Web its identity as collection of connected documents.

Soon after inventing the Web, Tim Berners-Lee founded the W3C (World Wide Web Consortium) to standardize and develop the Web. The consortium consists of the main interest groups for the Web, like web browser developers, government entities, researchers, and universities. Its mission also includes education and outreach.

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 Last updated by: getschomp,