Expires - Http | Mdn. Never use expires = 0 to prevent caching. See getting started on mdn for an overview of how to join, and contributing to.
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Public int expires { get; If the user returns to the same page before it expires, the cached version is displayed. Added this simple piece of code inside location / (that is, if found in an.htaccess file, for instance, it applies only to documents generated from that directory.) if set to off, the headers will not be generated for any document in the realm (unless overridden at a lower level, such as an.htaccess file overriding. The first header instructs web browsers to cache the content for 24560 seconds relative. You don't need to pass string and set header. If cached, the document may be fetched from the cache rather than from the source until this time has passed. The following code snippet sets it to forever: Tue, 15 may 2012 06:17:00 gmt. After that time, caches will always check back with the origin server to see if a document is changed.
Property nullable expires { nullable get (); The presence of an expires field does not imply that the original resource will change or cease to exist at, before, or after that time. Property nullable expires { nullable get (); So, users will always make server requests. After that, the cache copy is considered expired and invalid, and a new copy must be obtained from the source. (that is, if found in an.htaccess file, for instance, it applies only to documents generated from that directory.) if set to off, the headers will not be generated for any document in the realm (unless overridden at a lower level, such as an.htaccess file overriding. Contributing to the content of mdn web docs. Mdn web docs resources for developers, by developers. Never use expires = 0 to prevent caching. Expires headers are supported by practically every client. The response.cache.setexpires method allows you to set the expires header in a number of ways.