Version 20.5.3 • License MIT
One-Line Verdict
"Heavy install size detected. Review bloat risk."
Poor
Actively Maintained
3 CVE History
Historical vulnerabilities found.
7.8 MB
Critical Bloat: 7.8 MB
4,549,850
Highly Trusted
Package Payload
6 Direct
Clean dependency structure.
Cold-Start Impact
+118 ms
Estimated execution overhead on standard hardware.
Current Threat Level
Risk Detected
Our audit detected 3 active or historical security flags. Critical CVEs have been mapped to this library.
Accuracy Protocol
Scanned against OSV.dev (Google Open Source) databases. Last Deep-Scan: 2026.
Is happy-dom too heavy? Compare it with these industry standards:
"Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML."
happy-dom is used to facilitate high-performance Node.js workflows. It provides a robust footprint of 7.8 MB on disk.
# Install via NPM
npm install happy-dom
# Install via Yarn
yarn add happy-dom
You are currently viewing a proprietary security audit for happy-dom on PAudit. We aggregate global databases to provide a safety rating of 45/100.
Run npm install happy-dom. This installs version 20.5.3 and adds 6 direct dependencies to your project.
Yes, happy-dom records 4,549,850 weekly downloads, making it a Highly Trusted part of the ecosystem.