W3C

HTML 5.3

W3C Working Group Note,

This version:
https://www.w3.org/TR/2021/NOTE-html53-20210128/
Latest published version:
https://www.w3.org/TR/html53/
Editor's Draft:
https://w3c.github.io/html/
Previous Version:
https://www.w3.org/TR/2018/WD-html53-20181018/
Test Suite:
https://github.com/web-platform-tests/wpt/tree/master/html
Editors:
(Invited Expert)
(Invited Expert)
(HM Government)
(Invited Expert)
(Invited Expert)
(W3C)
(The Paciello Group)
Former Editors:
(The Paciello Group)
(Microsoft)
(Microsoft)
(Google)
Participate:
File an issue (open issues)
Others:
Single page version

Copyright © 2021 W3C® (MIT, ERCIM, Keio, Beihang). W3C liability, trademark and permissive document license rules apply.

Abstract

This specification defines the 5th major version, third minor revision of the core language of the World Wide Web: the Hypertext Markup Language (HTML). In this version, new features continue to be introduced to help Web application authors, new elements continue to be introduced based on research into prevailing authoring practices, and special attention continues to be given to defining clear conformance criteria for user agents in an effort to improve interoperability.

Status of this document

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/.

🚩
This document is retired and MUST NOT be used for further technical work.
See the HTML Living Standard instead and raise issues in the whatwg/html repository.

🚩 Retired document. Do not use.

Publication as a Working Group Note does not imply endorsement by the W3C Membership. This is a retired document and is no longer updated. It is inappropriate to cite this document as other than retired work.

This document was originally produced by a group operating under the W3C Patent Policy.

This document is governed by the 15 September 2020 W3C Process Document.