Every Webmaster is interested in getting more visitors, unless the Web Site is completely private and serves for individual or limited group use, where visitors are invited with special invitations.
You create a nice content and supply the appropriate interface to maximize the site exposure and attractiveness to the readers. However, how precisely you know of where are the killer points? Definitely, you can guess and arrange the site design to increase visibility of the area that has the highest probability to invoke interest. But how good your guess is? ClickHeat free open source plugin from LabsMedia might give you some useful answers. ClickHeat is a visual heatmap of clicks on a HTML page, showing hot and cold click zones. So, you can see exactly, what are the popular and what are unpopular zones on the page.
Review also the video presentation:
Download the plugin from Souceforge: http://sourceforge.net/project/showfiles.php?group_id=181196