Heatmap.js
A JavaScript library for creating interactive heatmaps on web pages, with features like animation, customization, and integration with maps.
Overview
What is Heatmap.js?
Heatmap.js is a JavaScript library that enables developers to generate heatmaps for visualizing data such as user interactions (e.g., clicks, mouse movements) on websites. It supports customization, animation, and plugins for maps like Google Maps and Leaflet.
What is Heatmap.js used for?

Top Features
- Animated heatmaps over time
- Customizable point radius and colors
- Integration with Google Maps and Leaflet
- Mouse click and movement tracking
- Legend and tooltip support
How to use Heatmap.js?
Integrate the library into your web project via JavaScript, configure heatmap settings (e.g., colors, radius), and use APIs to add data points dynamically. Examples include minimal setups, animated heatmaps, and mouse tracking.
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Pros & Cons
Pros
- High customizability for developers
- Free plan available
- Supports various map plugins
- Easy to integrate with minimal configuration
Cons
- Requires coding knowledge
- Limited to web platforms
Use Cases
- Website analytics for user behavior
- Data visualization in dashboards
- Interactive maps for geographic data
Heatmap.js Pricing
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