heatmap.js by pa7
JavaScript Library for HTML5 canvas based heatmaps
About heatmap.js
From the project's README at github.com/pa7/heatmap.js. Lightly cleaned for readability; for the full source see the upstream repo.
The fastest way to get started is to install heatmap.js with bower. Just run the following command:
This will download the latest working version of heatmap.js and put it in your bowercomponents folder.
Alternatively you could just download the latest release from github and unzip it.
The file you're ultimately looking for is heatmap.js or heatmap.min.js
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 6.4k | github.com/pa7/heatmap.js |
| GitHub forks | 1.3k | github.com/pa7/heatmap.js |
| NPM downloads (last month) | 1241k | heatmap.js |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 15.1 years | since Apr 2011 |
| Last commit | 2.5 years ago | Oct 31, 2023 |
| Releases shipped | 3 | last: 9.7 years ago |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Ready to self-host heatmap.js?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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