Heatmap Visualization Library

Heatmap Visualization Library

Released 2 years ago , Last update 2 years ago

Are you looking for Crazy Egg -like heatmaps? This free JavaScript heat map visualization library might be for you!

Sometimes a heat map says more than 1000 words...

Heatmap.js is a very lightweight, easy to use JavaScript library that helps you visualize your visitor data or any other 3 dimensional dataset in your web browser

Why heatmap .js?

Because it is the most advanced heat map visualization library on the web. It has a light footprint (~3kB gzip) and with the new 2.0 release heatmap.js just got

  • easier to extend for custom functionality
  • faster, with a new rendering module
  • stronger, to handle even more datapoints (40k+)
  • easier to use so you can get up to speed quickly

than ever before.

Learn More About Heatmap.js

Show me some code!

var heatmap = h337.create({
  container: domElement

  max: 5,
  data: [{ x: 10, y: 15, value: 5}, ...]

Yes, that's it! That's how many lines it will take you to create a heatmap! :-)

How does it work?

The download contains the full API documentation and some examples to get you started quickly.

Need some inspiration?

Feel free to check out plenty of showcases, documentation, and examples on the heatmap.js website


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MIT license

The MIT license is an open-source license.

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