Comparison guide
Elysia vs Itty-router
Side-by-side NPM package comparison
Quick Verdict
Smallest Bundle
Itty-router
1.7 KB gzipped
Most Popular
Elysia
1.7M weekly downloads
Best Maintained
Elysia
100/100 maintenance score
Highest Quality
Elysia
50/100 quality score
Overall Pick
Elysia
Best all-around based on popularity, size, maintenance & quality
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itty-router
A tiny, zero-dependency router, designed to make beautiful APIs in any environment.
415.7K weekly downloads · 1.7 KB gzip · Health 69/100
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Choosing between Elysia and Itty-router? 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
Elysia leads with 1.7M weekly downloads — roughly 4.1x more. Itty-router has 415.7K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Bundle Size
Itty-router has the smallest gzipped bundle at 1.7 KB. Elysia comes in at 48.9 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Health Score Comparison
Elysia has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Itty-router has an overall health score of 69/100 (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 Elysia if you value large community support, actively maintained, strong security track record. Choose Itty-router if you value minimal bundle footprint, strong security track record.
Our Verdict
Both Elysia and Itty-router are solid choices for JavaScript development. Elysia 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 elysia better than itty-router?
- It depends on your needs. Elysia has a health score of 85/100 while Itty-router scores 69/100. Elysia has more recorded weekly downloads (1.7M). Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
- Which has a smaller bundle size, elysia or itty-router?
- Itty-router has the smaller gzipped bundle at 1.7 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
- How many developers use elysia vs itty-router?
- Elysia has more recorded weekly downloads (1.7M). Download counts reflect package installations, not unique developers.
- Which is better maintained, elysia or itty-router?
- Elysia has a maintenance score of 100/100. Elysia scores 100/100 and Itty-router scores 60/100 on maintenance.
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One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.

