Version 1.9.12
A declarative JavaScript library for building user interfaces.
- Weekly Downloads
- 1.8M
- Bundle (gzip)
- 8.1 KB
- Updated
- Vulns
- 0
Side-by-side NPM package comparison
Smallest Bundle
Solid-js
8.1 KB gzipped
Most Popular
Svelte
4.4M weekly downloads
Best Maintained
Solid-js
100/100 maintenance score
Highest Quality
Solid-js
50/100 quality score
Overall Pick
Svelte
Best all-around based on popularity, size, maintenance & quality
Version 1.9.12
A declarative JavaScript library for building user interfaces.
Version 5.55.1
Cybernetically enhanced web apps
Choosing between Solid-js 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.
Svelte leads with 4.4M weekly downloads — roughly 2.4x more. Solid-js has 1.8M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Solid-js has the smallest gzipped bundle at 8.1 KB. Svelte comes in at 10.0 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Solid-js 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 Solid-js if you value large community support, actively maintained, strong security track record. Choose Svelte if you value large community support, actively maintained, strong security track record.
Both Solid-js and Svelte are solid choices for JavaScript development. Solid-js 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.
One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.