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Dev tools · August 11, 2014

Visualize user behaviour with heatmap.js

An easy to use, open source, data visualization library to help you create beautiful heatmaps for your projects

Visualize user behaviour with heatmap.js launched on August 11, 2014 with 12 votes and more than 75% of that year's launches. The site was still online in September 2026, 12 years on.

In plain words

Heatmap.js is an open source data visualization library that enables developers to create heatmaps for web projects. It works with multiple mapping libraries including Leaflet and Google Maps, providing flexibility in implementation. The tool is designed for developers who need to visualize user behavior or data density patterns through heat mapping functionality.

written from the facts on this page · September 2026

From the sources

"One to rule them all: Heatmap.js is great! Besides allowing us to make beautiful heatmaps, it also gives us independence to use different maps library, such as leaflet and googlefrom patrick-wied.at

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Source: Show HN post ↗

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