RFC 6596 · INFORMATIONAL · 2012
SUN · 14 JUN 2026
The Canonical Link Relation
Overview
RFC 6596, “The Canonical Link Relation”, is an Informational document published in April 2012 by M. Ohye, J. Kupke. The canonical text is published by the RFC Editor.
Abstract
RFC 5988 specifies a way to define relationships between links on the web. This document describes a new type of such a relationship, "canonical", to designate an Internationalized Resource Identifier (IRI) as preferred over resources with duplicative content. This document is not an Internet Standards Track specification; it is published for informational purposes.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 6596 is hosted at rfc-editor.org. Available in TXT,HTML.
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