Do you know that the secret to a faster WordPress site is not actually a secret at all. This is because there are a lot of false rumors spreading online on how to make WordPress load faster but the truth is, it is misleading which makes it hard for some owners to identify solutions that really work. The key here is to look at the core of your site first. The core of your site is your hosting, the theme, and the plugins you install. The speed and performance of your site is determined at your page’s origin, not where the page where it is viewed.
Read this post on how you can speed up your WordPress blog or website by 72.5%: http://www.copyblogger.com/make-wordpress-faster/