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Comparison guide

Happy-dom vs Linkedom

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Linkedom

84.7 KB gzipped

Most Popular

Happy-dom

24.1M weekly downloads

Best Maintained

Happy-dom

100/100 maintenance score

Highest Quality

Happy-dom

50/100 quality score

Overall Pick

Happy-dom

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

  1. happy-dom

    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.

    24.1M weekly downloads · 203.5 KB gzip · Health 85/100

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  2. linkedom

    A triple-linked lists based DOM implementation

    5.9M weekly downloads · 84.7 KB gzip · Health 73/100

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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 24.1M weekly downloads — roughly 4.1x more. Linkedom has 5.9M 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 84.7 KB. Happy-dom comes in at 203.5 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 85/100 (very good), with strong maintenance, security, popularity scores. Linkedom has an overall health score of 73/100 (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 massive community and ecosystem, actively maintained, 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 (85/100), 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 85/100 while Linkedom scores 73/100. Happy-dom has more recorded weekly downloads (24.1M). 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 84.7 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?
Happy-dom has more recorded weekly downloads (24.1M). Download counts reflect package installations, not unique developers.
Which is better maintained, happy-dom or linkedom?
Happy-dom has a maintenance score of 100/100. Happy-dom scores 100/100 and Linkedom scores 60/100 on maintenance.

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