html5元标记缓存控制不再有效？ [英] html5 meta tag cache-control no longer valid?

问题描述

如何定义

 < meta http-equiv =cache-controlcontent =no-cache /> HTML5中的
  

？根据W3C验证器和文档，它不再有效。将缓存指令放入元标记并不是一个好主意，因为尽管浏览器可能会读取它们，但代理惯于。出于这个原因，它们是无效的，你应该发送缓存指令作为真正的HTTP头。

How do I define

<meta http-equiv="cache-control" content="no-cache" />

in HTML5? It is no longer valid according to the W3C Validator and the documentation.

解决方案

Putting caching instructions into meta tags is not a good idea, because although browsers may read them, proxies won't. For that reason, they are invalid and you should send caching instructions as real HTTP headers.

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