Add the Crazyegg code required to integrate it to your WordPress site
This plugin will allow you to integrate in the CrazyEgg integration code into your website without the need of modifying your websites code or themes.
CrazyEgg allows you to track your users site usage and see on a visual map just where they are clicking and how they use your website. This in turn will give you an idea of the usability of your website. CrazyEgg does have a subscription fee.