RFC 9213 · PROPOSED STANDARD · 2022
SUN · 14 JUN 2026
Targeted HTTP Cache Control
Overview
RFC 9213, “Targeted HTTP Cache Control”, is a Proposed Standard document published in June 2022 by S. Ludin, M. Nottingham, Y. Wu. The canonical text is published by the RFC Editor.
Abstract
This specification defines a convention for HTTP response header fields that allow cache directives to be targeted at specific caches or classes of caches. It also defines one such header field, the CDN-Cache-Control response header field, which is targeted at content delivery network (CDN) caches.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 9213 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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