topic Registered
Verified 2026-09-19 · registry updated 2022-06-21

HTTP registry: hit

When true, indicates that the request was satisfied by the cache; that is, it was not forwarded, and the response was obtained from the cache.

Caching values control freshness, reuse, validation, and visibility across browser, proxy, and CDN layers. hit is registered in HTTP Cache-Status. Defining reference: rfc9211.

httpregistryhttp-cache-statushttp-cache-status-names

Identifier (http)

hit

When true, indicates that the request was satisfied by the cache; that is, it was not forwarded, and the response was obtained from the cache.

Keep cache keys aligned with response variation, separate private from shared data, and test stale and revalidation behavior across intermediaries.

This registry value is currently marked active by IANA. Follow the defining specification before sending, accepting, or proxying it.

IANA registry: http-cache-status/http-cache-status-names

Registry reference: rfc9211

Permalink: https://merginit.com/reference/http/registry/http-cache-status/http-cache-status-names/hit-52