Web Caching

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References and Further Information

HTTP 1.1 Specification

http://www.w3.org/Protocols/
The HTTP 1.1 spec has many extensions for making pages cacheable, and is the authoritative guide to implementing the protocol. See sections 13, 14.9, 14.21, and 14.25.

Web Caching Overview

http://www.web-caching.com/
An excellent introduction to caching concepts, with links to other online resources.

Cache Now! Campaign

http://vancouver-webpages.com/CacheNow/
Cache Now! is a campaign to raise awareness of caching, from all perspectives.

On Interpreting Access Statistics

http://www.cranfield.ac.uk/docs/stats/
Jeff Goldberg's informative paper on why you shouldn't rely on access statistics and hit counters.

Cacheability Engine

http://www.mnot.net/cacheability/
Examines Web pages to determine how they will interact with Web caches, the Engine is a good debugging tool, and a companion to this tutorial.

About This Document

This document is Copyright © 1998, 1999 Mark Nottingham <mnot@pobox.com>. It may be freely distributed in any medium as long as the text (including this notice) is kept intact and the content is not modified, edited, added to or otherwise changed. Formatting and presentation may be modified. Small excerpts may be made as long as the full document is properly and conspicuously referenced.

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Although the author believes the contents to be accurate at the time of publication, no liability is assumed for them, their application or any consequences thereof. If any misrepresentations, errors or other need for clarification is found, please contact the author immediately.

The latest copy of this document can always be obtained from http://www.mnot.net/cache_docs/

Version 1.32 - June 19, 2000

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Last modified: Sun Sep 10 20:46:50 EDT 2006
Comments, corrections, and suggestions gratefully accepted.