Side-by-side NPM package comparison
Version 10.28.4
Fast 3kb React-compatible Virtual DOM library.
Version 5.53.6
Cybernetically enhanced web apps
Choosing between Preact and Svelte? 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.
Preact leads with 13.7M weekly downloads — roughly 4.6x more. Svelte has 3.0M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Preact has the smallest gzipped bundle at 4.6 KB. Svelte comes in at 9.6 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Preact has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Svelte has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Preact if you value massive community and ecosystem, minimal bundle footprint, actively maintained, strong security track record. Choose Svelte if you value large community support, actively maintained, strong security track record.
Both Preact and Svelte are solid choices for JavaScript development. Preact 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.