The World Wide Web (www, W3) is an information space where documents and other web resources are identified by URLs, interlinked by hypertext links, and can be accessed via the Internet. It has become known simply as the Web. The World Wide Web was central to the development of the Information Age and is the primary tool billions use to interact on the Internet, and it has changed people's lives immeasurably.The World Wide Web was invented by English scientist Tim Berners-Lee in 1989.