solid-js
A declarative JavaScript library for building user interfaces.
6.8M weekly downloads · 8.2 KB gzip · Health 85/100
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Comparison guide
Solid-js vs Svelte
Side-by-side NPM package comparison
Quick Verdict
Solid-js leads across all categories in this comparison. Check the detailed metrics below to see how each package performs for your specific needs.
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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.
Downloads & Popularity
Solid-js leads with 6.8M weekly downloads — roughly 1.1x more. Svelte has 6.4M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Bundle Size
Solid-js has the smallest gzipped bundle at 8.2 KB. Svelte comes in at 10.5 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Health Score Comparison
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.
When to Choose Each
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.
Our Verdict
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.
Frequently Asked Questions
- Is solid-js better than svelte?
- It depends on your needs. Solid-js has a health score of 85/100 while Svelte scores 85/100. Solid-js has more recorded weekly downloads (6.8M). Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
- Which has a smaller bundle size, solid-js or svelte?
- Solid-js has the smaller gzipped bundle at 8.2 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
- How many developers use solid-js vs svelte?
- Solid-js has more recorded weekly downloads (6.8M). Download counts reflect package installations, not unique developers.
- Which is better maintained, solid-js or svelte?
- Solid-js has a maintenance score of 100/100. Solid-js scores 100/100 and Svelte scores 100/100 on maintenance.
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