Quoted: I've extended my CSS/JS merging script to support piping the merged output through JSMin, assuming you're merging JavaScript of course. The result is a significantly lower file size. As the resulting file is cached to disk the minification process will only be run once rather than on each request.

Quoted: This is the first in a series of articles describing experiments conducted to learn more about optimizing web page performance. You may be wondering why you’re reading a performance article on the YUI Blog. It turns out that most of web page performance is affected by front-end engineering, that is, the user interface design and development.