Document Name: RFC 8246
Document URI: urn:ietf:rfc:8246
Online Version:
Organization: Internet Engineering Task Force (IETF)
Series: Request for Comments (RFC)
Abstract: The immutable HTTP response Cache-Control extension allows servers to identify resources that will not be updated during their freshness lifetime. This ensures that a client never needs to revalidate a cached fresh resource to be certain it has not been modified.

Specified Web Concepts:

HTTP Cache Directives


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