Side-by-side NPM package comparison
Version 20.7.0
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.
Version 0.18.12
A triple-linked lists based DOM implementation
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.
Happy-dom leads with 5.0M weekly downloads — roughly 3.3x more. Linkedom has 1.5M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Linkedom has the smallest gzipped bundle at 269.4 KB. Happy-dom comes in at 2.4 MB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
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 67/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Happy-dom if you value large community support, actively maintained, strong security track record. Choose Linkedom if you value large community support, strong security track record.
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.