RFC 5861 · INFORMATIONAL · 2010
SUN · 14 JUN 2026
HTTP Cache-Control Extensions for Stale Content
Overview
RFC 5861, “HTTP Cache-Control Extensions for Stale Content”, is an Informational document published in May 2010 by M. Nottingham. The canonical text is published by the RFC Editor.
Abstract
This document defines two independent HTTP Cache-Control extensions that allow control over the use of stale responses by caches. 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 5861 is hosted at rfc-editor.org. Available in TXT,HTML.
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