Skip to main content

@sveltejs/kit vs Astro

Side-by-side NPM package comparison

Quick Verdict

@sveltejs/kit leads across all categories in this comparison. Check the detailed metrics below to see how each package performs for your specific needs.

@sveltejs/kit icon

@sveltejs/kit

Very Popular

Version 2.56.1

0
85
Excellent

SvelteKit is the fastest way to build Svelte apps

Weekly Downloads
1.9M
48%
Bundle (gzip)
955.0 B
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70
astro icon

astro

Very Popular

Version 6.1.4

0
85
Excellent

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

Weekly Downloads
1.9M
18%
Bundle (gzip)
778.1 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70

Choosing between @sveltejs/kit and Astro? 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

@sveltejs/kit leads with 1.9M weekly downloads — roughly 1.0x more. Astro has 1.9M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

@sveltejs/kit has the smallest gzipped bundle at 955.0 B. Astro comes in at 778.1 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

@sveltejs/kit has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Astro 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 @sveltejs/kit if you value large community support, minimal bundle footprint, actively maintained, strong security track record. Choose Astro if you value large community support, actively maintained, strong security track record.

Our Verdict

Both @sveltejs/kit and Astro are solid choices for JavaScript development. @sveltejs/kit 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 @sveltejs/kit better than astro?
It depends on your needs. @sveltejs/kit has a health score of 85/100 while Astro scores 85/100. @sveltejs/kit has more weekly downloads (1.9M), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, @sveltejs/kit or astro?
@sveltejs/kit has the smaller gzipped bundle at 955.0 B. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use @sveltejs/kit vs astro?
Based on npm download statistics, @sveltejs/kit has approximately 1.9M weekly downloads and Astro has approximately 1.9M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, @sveltejs/kit or astro?
@sveltejs/kit currently has the higher overall health score at 85/100. @sveltejs/kit has a maintenance score of 100/100 and Astro scores 100/100 on maintenance.

Related Comparisons

The 2026 JavaScript Stack Cheatsheet

One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.