The SuperCacher is a system that allows you to use the SiteGround dynamic cache and Memcached to optimize the performance of your WordPress. In order to take advantage of the system you should have the SuperCacher enabled at your web host plus the required cache options turned on below. For more information on the different caching options refer to the <a href="http://www.siteground.com/tutorials/supercacher/" target="_blank">SuperCacher Tutorial</a>!