For the last year, Red Rocket has been designing our sites to run through WordPress because of the amazing functionality that is included. WordPress is an open source piece of software that was originally created as a blogging tool but as more and more developers have contributed their two cents, the application has grown into a full-blown content management system with thousands of cool applications or plugins that are available for free. It’s like an iPhone with great apps but most of these are free. There are plugins that are designed to add things like shopping carts and surveys or simple apps that improve SEO and ultimately increase website traffic.
Here’s a link to a great article that gives some great tips for maximizing your WordPress installation.
http://www.noupe.com/wordpress/13-great-wordpress-speed-tips-tricks-for-max-performance.html