Archive for June 2010

Caching Tutorial for Web Authors and Webmasters

Found this article very helpful, complete and comprehensive. The latest & complete revision of this document can be obtained from http://www.mnot.net/cache_docs/

Caching Tutorial Content:
1. What’s a Web Cache? Why do people use them?
2. Kinds of Web Caches
1. Browser Caches
2. Proxy Caches
3. Aren’t Web Caches bad for me? Why should I help them?
4. How Web Caches Work
5. How (and how not) to Control Caches
1. HTML Meta Tags vs. HTTP Headers
2. Pragma HTTP Headers (and why they don’t work)
3. Controlling Freshness with the Expires HTTP Header
4. Cache-Control HTTP Headers
5. Validators and Validation
6. Tips for Building a Cache-Aware Site
7. Writing Cache-Aware Scripts
8. Frequently Asked Questions
9. Implementation Notes — Web Servers
10. Implementation Notes — Server-Side Scripting
11. References and Further Information
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