Nice article that taught me how to increase tremendously the speed of page rendering – the time elapsed between the clicking to request a page and the reading it !! MaxPC – Tutorials – Introducing PHP: Caching

You don’t want to read it all ? Here is the spoiler : add this line at the very beginning of your php script, it will zip the content and the user browser will unzip it behind the scenes

ob_start("ob_gzhandler");

But read the article for more advanced caching techniques….

Further information on Gzip is to be found here Learning Journal – Compress your web

Last but not least: test your Gzip inplementation via this cool online tool here ! Gzip online test tool