Some of us have recently been discussing the size of the Prototype library, my preferred library for DHTML/AJAX). Proponents of some of the other libraries play up their smaller file sizes, and it's true that this is a real issue for some people.

This little essay/how-to explains the basic ideas (the what, how, and why), and then walks you through setting up Apache on Mac OS X, to enable mod_gzip and serve compressed content. If you skip the editorial content and just follow the steps I've outlined, you should have everything up and running in fifteen minutes or less.

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