expires header example

There are many kinds of caches: Server cache, third-party cache, browser cache, and so on. The browser cache is the least expensive, because the browser cache relies on the client and consumes little server-side resources.Making the browser cache

Syntax: Expires [TIME|EPOCH|MAX|PFF] Default: Offexpires Command controls the "expires" and "Cache-control" header header information in an HTTP response, and starts controlling the page cache for time: You can use positive or negative numbers. The

1, ETag and expires the client-side HTTP Request header and server-side HTTP reponse Header working principle. 2, static under the Apache, Lighttpd and Nginx ETag and expires configuration 3. ETag and expires processing in non-real-time

1. How the Client-side Http Request Header and Server-side Http Reponse Header work in Etag and Expires. 2. Static configuration of Etag and Expires in Apache, Lighttpd, and Nginx 3. Etag and Expires processing on dynamic pages with non-real-time

Response. Expires attributes (reproduced in the BLOG of crazy customers), response. expires Expires attributes The Expires attribute specifies the time before the page cached on the browser Expires. If you return to this page before a page expires,

Browser cache, also known as HTTP cache, refers to when we browse the site, the browser will store a copy locally, so that the next time you visit the same URL can no longer connect to the server, directly from the browser local cache to obtain

Header ("location:http://bbs.it-home.org";); exit;//add "Exit" after each redirect to avoid errors and continue execution. ?> Copy Code2, Header ("refresh:2;url=http://bbs.it-home.org");

Recently in the optimization of the CDN, the browser cache in-depth study, a record, convenient after the comerDraw a Sketch:A detailed description of each status is as follows:1 , last-modifiedWhen the browser requests a URL for the first time, the

Header ("location:http://bbs.it-home.org";); Exit After each redirect, "Exit" must be added to avoid an error and continue execution. ?> Header ("refresh:3;url=http://bbs.it-home.org"); Print (' Loading, please

This article is based on RFC2616 (http/1.1 specification), referencehttp://www.w3.org/Protocols/rfc2068/rfc2068http://www.w3.org/Protocols/rfc2616/rfc2616Http://www.ietf.org/rfc/rfc3229.txtTypically HTTP messages include client-to-server request