The URL Standard defines URLs, domains, IP addresses, the application/x-www-form-urlencoded format, and their API.

Status of This Document

Status Update (March 2017): The links to the RFCs below were fixed in-place on March 7 2017: they were pointing to missing internal anchors, and were fixed to link directly to the RFCs.

This section describes the status of this document at the time of its publication. Other documents may supersede this document. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at https://www.w3.org/TR/.

Note:URLs can be used in numerous different manners, in many differing contexts. For the purpose of producing strict URLs one may wish to consider [RFC3986] [RFC3987]. The W3C URL specification was aimed to define the term URL, various algorithms for dealing with URLs, and an API for constructing, parsing, and resolving URLs.

Work on this document has been discontinued and it should not be referenced or used as a basis for implementation. Please refer to the URL Continually Updated Specification for the latest available specification of this API.

This document was published by the Web Platform Working Group as a Working Group Note. If you wish to make comments regarding this document, please file an issue or send them to public-webapps@w3.org (subscribe, archives). All comments are welcome.

Publication as a Working Group Note does not imply endorsement by the W3C Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.

This document was produced by a group operating under the 5 February 2004 W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent. An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy.

This document is governed by the 1 September 2015 W3C Process Document.