如何在APACHE中为静态资源的HTTP标头设置到期日期或最长期限 [英] How do you set the expiry date or a maximum age in the HTTP headers for static resources in APACHE

问题描述

After running Google page speed online , it remarks that I should be: Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

And it lists a lot of plain images , my javascript files and the style sheets.

How can I set this expiry date for these static files ? I thought this was done automatically by the browser ?

我正在使用APACHE 2.2.8

i'm using APACHE 2.2.8

推荐答案

您提到的来自本地磁盘的数据称为 Web缓存。请参阅： http://en.wikipedia.org/wiki/Web_cache [ ^ ]。



首先，我会推荐这个关于缓存控制的完整教程： http://www.mnot.net/cache_docs/ [ ^ ]。



等等：

http://palizine.plynt.com/issues/2008Jul/ cache-control-attributes / [ ^ ]，

http://www.web-caching.com/ [ ^ ]。

-SA

The data "from local disk" you mention is called Web cache. Please see: http://en.wikipedia.org/wiki/Web_cache[^].

First of all, I would recommend this complete tutorial on cache control: http://www.mnot.net/cache_docs/[^].

Some more:
http://palizine.plynt.com/issues/2008Jul/cache-control-attributes/[^],
http://www.web-caching.com/[^].

—SA

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