RFC 9875 · PROPOSED STANDARD · 2025
SUN · 14 JUN 2026
HTTP Cache Groups
Overview
RFC 9875, “HTTP Cache Groups”, is a Proposed Standard document published in October 2025 by M. Nottingham. The canonical text is published by the RFC Editor.
Abstract
This specification introduces a means of describing the relationships between stored responses in HTTP caches, grouping them by associating a stored response with one or more strings.
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 9875 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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