https://www.icyphoenix.com/viewtopic.php?f=17&t=1968
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casimedicos
Thu 17 May, 2007 16:47

Caching Tutorial    for Web Authors and Webmasters
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Caching Tutorial

for Web Authors and Webmasters

What&#8217;s a Web Cache? Why do people use them?
Kinds of Web Caches 
Browser Caches
Proxy Caches
Aren&#8217;t Web Caches bad for me? Why should I help them?
How Web Caches Work
How (and how not) to Control Caches 
HTML Meta Tags vs. HTTP Headers
Pragma HTTP Headers (and why they don&#8217;t work)
Controlling Freshness with the Expires HTTP Header
Cache-Control HTTP Headers
Validators and Validation
Tips for Building a Cache-Aware Site
Writing Cache-Aware Scripts
Frequently Asked Questions
Implementation Notes &#8212; Web Servers
Implementation Notes &#8212; Server-Side Scripting
References and Further Information
About This Document



http://www.mnot.net/cache_docs/


