http 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

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

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

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

The HTTP header field includes class 4:     general-header; Generic headers      request-header; Request Header      Response-header; Response Header      Entity-header. Entity Header  *****************************************************************

The HTTP header field includes class 4:     general-header;     request-header;      Response-header;     Entity-header.  ********************************************  general Header fields=============================   General Headers are

Turn from: http://www.cnblogs.com/yizhenfeng168/p/7078480.htmlIn this paper, according to RFC2616 (http/1.1 specification), reference http://www.w3.org/Protocols/rfc2068/rfc2068 http://www.w3.org/Protocols/rfc2616/rfc2616 Http://www.ietf.org/rfc/rfc3

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

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