This advanced article is a part of WordPress Optimization effort. PHP Speedy allows us to automatically combine all JS and CSS files into only two files - which in turn helps greatly with page loading times. Unfortunately, PHP speedy comes with few flaws out of box that need fixing:Combined JavaScript is placed at the top of the page instead at the bottom It does not work with WP Super CacheIn order to get this two working like we want them, we need to make few adjustments to both plugins.