Document Name: RFC 7234
Document URI: urn:ietf:rfc:7234
Online Version: https://datatracker.ietf.org/doc/html/rfc7234
Organization: Internet Engineering Task Force (IETF)
Series: Request for Comments (RFC)
Abstract: The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. This document defines requirements on HTTP caches and the associated header fields that control cache behavior or indicate cacheable response messages.


Specified Web Concepts:

HTTP Cache Directives

max-age , max-stale , min-fresh , must-revalidate , no-cache , no-store , no-transform , only-if-cached , private , proxy-revalidate , public , s-maxage

HTTP Header Fields

Age , Cache-Control , Expires , Pragma , Warning

HTTP Warn Codes

110 , 111 , 112 , 113 , 199 , 214 , 299

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