Merge all of your CSS and JS into one file to improve server speed.

Quick example of how to set default expires headers. This will help prevent browsers from re-downloading the same images more than once and therefore reduce the load on your image server.

Generate thumbs by visiting a URL such as your.com/thumbs/images/image.50x50.jpg. This will create a 50x50px thumbnail of your.com/images/image.jpg.

The thumb will be stored on your server at your.com/thumbs/images/image.50x50.jpg so the next request for the same image will be loaded without loading php for ultra fast image cache.