缓存在浏览器 - 工具和理论 [英] cache in the browser -- tools and theory

问题描述

我目前的工具包括YSlow的，提琴手和新的PageSpeed​​。

My current tools include YSlow, Fiddler and the new PageSpeed.

我的问题是：是否有用于找出到底是什么浏览器缓存中，当它的缓存它，为什么其他资产不缓存一个更好的工具

My questions is: is there a better tool for finding out exactly WHAT the browser is caching, WHEN it's caching it, and WHY other assets are not caching.

HTTP标头的死脑筋简单的解释，面对面的人缓存也将是有益的。更陷阱越好，比如格林威治标准时间的是的是什么浏览器的依赖等。

A brain-dead simple explanation of HTTP headers, vis-a-vis caching would also be useful. The more gotchas the better, such as "Greenwich Mean Time" is what the browser relies on, etc.

推荐答案

www.fiddler2.com/redir/?id=httpperf解释（仅次于Internet Explorer中的HTTP协议栈）是如何执行的WinINET缓存。另请参见 http://www.fiddler2.com/fiddler/Perf/AboutVary.asp

www.fiddler2.com/redir/?id=httpperf explains how WinINET (the HTTP stack behind Internet Explorer) performs caching. See also http://www.fiddler2.com/fiddler/Perf/AboutVary.asp

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