WebDevLogs.com points out a handy tool for those site owners out there that want to see what location on their site is getting the most use - ClickHeat.
Heatmap suddenly became popular when webmasters want to know where did the user click or look at. Websites like Crazy Egg, provides a heatmap generation system for webmasters. But most heatmap costs more than average adsense supported website can earn, those sites need a alternative.
ClickHeat requires PHP (5.1.6 and higher) with GD enabled to work. The post includes a sample image to show you what the end result looks like.