WordPress: GZIP CSS
Beim Lesen des Artikels 13 Great WordPress Speed Tips & Tricks for MAX Performance bin ich gerade auf WP CSS aufmerksam geworden:
This plugin GZIP and strip whitespace from your CSS files. It allows you to confidently use @import inside a CSS file and not worry about what happens on the user’s end. It will look through your style.css file and put any @import files into it. A cache expiry time can also be set.