Heatmapper is a free Chrome extension developed by ryanackley. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. Heatmapper is designed to create heatmaps for websites and is intended for internal use at Atlassian.

With Heatmapper, users can generate heatmaps that visually represent the user engagement and interaction on a website. This can be incredibly useful for website owners and developers who want to understand how users are interacting with their site and identify areas for improvement.

The extension is easy to use and integrates seamlessly with the Chrome browser. By analyzing user behavior, Heatmapper provides valuable insights into which areas of a website are attracting the most attention and which are being overlooked.

Overall, Heatmapper is a powerful tool for website optimization and user experience analysis. It offers a simple and efficient way to create heatmaps and gain valuable insights into user behavior. Whether you're a website owner or developer, Heatmapper can help you enhance the effectiveness and usability of your website.