Internet Assigned Numbers Authority • Domains • Protocols • Numbers • About No-Vary-Search Dictionary Keys Created 2026-11-02 Last Updated 2026-11-02 Available Formats [IMG] XML [IMG] HTML [IMG] TXT Registry Included Below • No-Vary-Search Dictionary Keys No-Vary-Search Dictionary Keys Registration Procedure(s) IETF Review Reference [RFC-ietf-httpbis-no-vary-search-10] Available Formats [IMG] CSV Key Description Reference key-order Indicates if query parameter order affects caching [RFC-ietf-httpbis-no-vary-search-10] params A list of query parameters that do not affect caching [RFC-ietf-httpbis-no-vary-search-10] except A list of query parameters that affect caching [RFC-ietf-httpbis-no-vary-search-10] Licensing Terms