Inspectlet

InspectLet allows you to track what’s going on in individual user sessions, so you can get a feel for how people interact with your site, and where they have difficulties that could be hampering conversions. Allows you to record sessions, view heat maps, scroll maps and click maps, it’s easy to get setup in just a few minutes. You can also set up specific trigger actions to record, so you see how people respond to certain actions on your site, like a pop-up or an add to basket.

http://www.inspectlet.com