Skip to main content

Comparison guide

Happy-dom vs Linkedom

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Linkedom

81.8 KB gzipped

Most Popular

Happy-dom

8.6M weekly downloads

Best Maintained

Happy-dom

80/100 maintenance score

Highest Quality

Happy-dom

50/100 quality score

Overall Pick

Happy-dom

Best all-around based on popularity, size, maintenance & quality

happy-dom icon

happy-dom

Very Popular

Version 20.9.0

0
79
Good

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.

Weekly Downloads
8.6M
↑28%
Bundle (gzip)
196.6 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
80
Popularity
100
Quality
50
Security
100
Stability
70
linkedom icon

linkedom

Very Popular

Version 0.18.12

0
67
Good

A triple-linked lists based DOM implementation

Weekly Downloads
2.9M
↑10%
Bundle (gzip)
81.8 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
40
Popularity
100
Quality
50
Security
100
Stability
70

Choosing between Happy-dom and Linkedom? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.

Downloads & Popularity

Happy-dom leads with 8.6M weekly downloads — roughly 3.0x more. Linkedom has 2.9M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Linkedom has the smallest gzipped bundle at 81.8 KB. Happy-dom comes in at 196.6 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Happy-dom has an overall health score of 79/100 (very good), with strong maintenance, security, popularity scores. Linkedom has an overall health score of 67/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Happy-dom if you value large community support, strong security track record. Choose Linkedom if you value large community support, strong security track record.

Our Verdict

Both Happy-dom and Linkedom are solid choices for JavaScript development. Happy-dom has the edge in overall health score (79/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.

Frequently Asked Questions

Is happy-dom better than linkedom?
It depends on your needs. Happy-dom has a health score of 79/100 while Linkedom scores 67/100. Happy-dom has more weekly downloads (8.6M), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, happy-dom or linkedom?
Linkedom has the smaller gzipped bundle at 81.8 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use happy-dom vs linkedom?
Based on npm download statistics, Happy-dom has approximately 8.6M weekly downloads and Linkedom has approximately 2.9M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, happy-dom or linkedom?
Happy-dom currently has the higher overall health score at 79/100. Happy-dom has a maintenance score of 80/100 and Linkedom scores 40/100 on maintenance.

Related Comparisons

Happy-dom vs Jsdom

The 2026 JavaScript Stack Cheatsheet

One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.