In another in his Zend Framework 101 series of articles on phpRiot.com Quentin Zervaas sets his sights on Zend_Cache in this new tutorial.

In this article I will introduce you to the Zend_Cache component of the Zend Framework. This component is used for improving the performance of your web application by saving generated data for later reuse. [...] While the idea behind caching is straightforward, there are certain considerations and complexities to be aware of. You need to consider the type of data you want to cache and the situations in which to use it.

He covers two of the main types of caching - caching bits of data as they're generated and and caching the end result of a whole HTML page. You'll need to have a copy of the Zend Framework up and working.