How does browser work with expiration headers, cache-control headers, last-modified-header?

Question

I am a web developer, have worked with PHP and .NET both. having over a year of experience working on web I haven\'t been able to understand the browser caching features thoroug

Answer 1

This blog post may help:

http://blog.httpwatch.com/2007/12/10/two-simple-rules-for-http-caching/

It explains how to use of caching, whilst maintaining the ability to make changes when required.