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A Uniform Resource Locator, or URL, is a standardized address for some resource (such as a document or image) on the Internet. First created by Tim Berners-Lee for use on the World Wide Web, the currently used forms are detailed by IETF standard RFC 2396 (1998).

The URL was a fundamental innovation in creating the World Wide Web. It combines into one simple address the three basic items of information necessary to find a document anywhere on the Internet:

  • The machine or domain name to go to
  • The path or file name on that machine
  • The protocol to use to communicate with that machine

A typical simple URL can look like:



 http: tells the protocol to use
 //www.wikipedia.com tells the domain name to contact
 /wiki/RecentChanges tells the path to request on that system