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RFC 9211: The Cache-Status HTTP Response Header Field

Status of This Memo: Standards Track
Publication Date: June 2022
Author: Mark Nottingham (Fastly)

Abstract​

To aid debugging, HTTP caches often append header fields to a response, explaining how they handled the request in an ad hoc manner. This specification defines a standard mechanism to do so that is aligned with HTTP's caching model.

Status of This Memo​

This is an Internet Standards Track document.

This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 7841.

Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at https://www.rfc-editor.org/info/rfc9211.

Copyright (c) 2022 IETF Trust and the persons identified as the document authors. All rights reserved.

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