This past weekend, I put a lot of energy into reducing page load time. (I outlined the general strategies in the Web Resources section.) One of the strategies involves using .htaccess to regulate caching. I began to examine what else I could do with this powerful little file.

So far, the utility of .htaccess for me can be boiled down to the following:

Permalinks and URL rewriting. I like simplifying what you see in your browser’s navigation toolbar.
Cache regulation. Via the Apache …

[this is an excerpt from the original blog post]