ClickHeat is a downloadable visual heatmap of clicks on a HTML page, showing hot and cold click zones. Key features include, low logging activity: a very few function calls to log a click, no server load rise should be noticed; a keyword is used to define the page upon Javascript code load, allowing you to group same pages and Screen sizes and browsers are logged, making possible the tracking of liquid-layouts.

Website: http://www.labsmedia.com/clickheat/