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HTML DOM Document lastModified Property - W3School
WebOct 21, 2015 · L'entête HTTP de réponse Last-Modified contient la date et l'heure à laquelle le serveur d'origine pense que la ressource a été modifiée pour la dernière fois. Il est utilisé comme un validateur pour déterminer si une ressource reçue et une stockée sont les mêmes. Moins précis qu'un entête ETag, c'est un mécanisme de rechange. Les … WebWhat matters to HTTP is how recipients of the Last-Modified header field can use its value to make conditional requests and test the validity of locally cached responses. An origin server SHOULD obtain the Last-Modified value of the representation as close as possible to the time that it generates the Date field value for its response. This ... secret achievements in raft
Chapter 16. HTTP Headers for Optimal Performance - O’Reilly …
WebApr 10, 2024 · Cache-Control: max-age=604800, must-revalidate. HTTP allows caches to reuse stale responses when they are disconnected from the origin server. must-revalidate is a way to prevent this from happening - either the stored response is revalidated with the origin server or a 504 (Gateway Timeout) response is generated. WebAs you can see here, Last-Modified header has datetimes in RFC2616 format.. In section 14.29 Last-Modified you can see that date format should be: "Last-Modified" ":" HTTP … http://www.webcodingtech.com/php/last-modified-header.php secret achievement sea of thieves