URL

A uniform resource locator (URL), colloquially known as an address on the Web, is a reference to a resource that specifies its location on a computer network and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identifier (URI), although many people use the two terms interchangeably. URLs occur most commonly to reference web pages (HTTP/HTTPS) but are also used for file transfer (FTP), email (mailto), database access (JDBC), and many other applications.

For other uses, see URL (disambiguation).

URL
Uniform resource locator
AbbreviationURL
StatusPublished
First published1994 (1994)
Latest versionLiving Standard
2023
OrganizationInternet Engineering Task Force (IETF)
CommitteeWeb Hypertext Application Technology Working Group (WHATWG)
SeriesRequest for Comments (RFC)
EditorsAnne van Kesteren
AuthorsTim Berners-Lee
Base standards
  • RFC 1738. – Uniform Resource Locators (URL).
  • RFC 3986. – Uniform Resource Identifier (URI): Generic Syntax.
  • RFC 4248. – The telnet URI Scheme.
  • RFC 4266. – The gopher URI Scheme.
  • RFC 6068. – The 'mailto' URI Scheme.
  • RFC 6196. – Moving mailserver: URI Scheme to Historic.
  • RFC 6270. – The 'tn3270' URI Scheme.
Related standardsURI, URN
DomainWorld Wide Web
LicenseCC BY 4.0
Websiteurl.spec.whatwg.org

Most web browsers display the URL of a web page above the page in an address bar. A typical URL could have the form http://www.example.com/index.html, which indicates a protocol (http), a hostname (www.example.com), and a file name (index.html).

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