Http headers affecting caching - tutorial / documentation

Can anyone point me to a decent tutorial explaining the various http header settings affecting caching (for proxies, browser, sharing them, and possible quirks in browsers and caching devices).

I think this is a somewhat overlooked feature - at least I don't use it. Caching CSS, JS, and photos (pretty much everything that comes from the cookieless domain) should speed things up a bit.


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Caching Tutorial - This is a pretty good article describing the HTTP caching process and associated headers.

There is a good article on Optimizing Your Cache in Let Your Website Faster . All the articles there are worth checking out.

To speed up your work, you can also:

  • reduce the number of requests required to load your page.
  • compression for your HTTP responses
  • combine your CSS / JS files and keep them to a minimum, for example using YUI Compressor or Google Closure Compiler
  • put small images in one big batch so that they are loaded with a single request ( online tool for putting images together).
  • Implement SPDY support on your server - this is probably not what you will do, but an interesting idea worth mentioning


here you can find the specification, you can refer to it.



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