Web24 mei 2024 · The max-age directive states the maximum amount of time in seconds that fetched responses are allowed to be used again (from the time when a request is made). … Web24 okt. 2024 · no-store, no-cache, must-revalidate. Unlike max-age, the no-store, no-cache and must-revalidate directives are about instructing caches to not cache a resource. However, they differ in subtle ways. no-store is pretty self-explanatory, and in fact, it does even a little more than the name suggests.
HTTP Cache Headers - A Complete Guide - KeyCDN
Web1 jun. 2024 · max-age=0 means that the response is immediately stale, and must-revalidate means that it must not be reused without revalidation once it is stale — so in combination, the semantics seem to be the same as no-cache. However, that usage of max-age=0 is a remnant of the fact that many implementations prior to HTTP/1.1 were … WebFor example, cache-control: max-age=120 means that the returned resource is valid for 120 seconds, after which the browser has to request a newer version. Cache-Control: No … blue light glasses jay jays
HTTP Cache-Control header max-age vs max-age, must-revalidate
WebAn origin server wishing to use a cache-control directive that restricts, but does not prevent, caching by an HTTP/1.1-compliant cache MAY exploit the requirement that the max-age directive overrides the Expires header, and the fact that pre-HTTP/1.1-compliant caches do not observe the max-age directive. WebCache-Control: no-cache, no-store; Expires: 0; Pragma: no-cache; These directives are generally robust, although additional flags may be necessary for the Cache-Control header in order to better prevent persistently linked files on the file system. These include: Cache-Control: must-revalidate, max-age=0, s-maxage=0 WebWe recommend that you use the Cache-Control max-age directive instead of the Expires header field to control object caching. If you specify values both for Cache-Control max-age and for Expires, CloudFront uses only the value of Cache-Control max-age.. For more information, see Specifying the amount of time that CloudFront caches objects. huh-7 media