Side-by-side NPM package comparison
Version 5.18.0
Astro is a modern site builder with web best practices, performance, and DX front-of-mind.
Version 5.16.1
Blazing fast modern site generator for React
Choosing between Astro and Gatsby? 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.
Astro leads with 1.4M weekly downloads — roughly 4.4x more. Gatsby has 326.0K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Astro has the smallest gzipped bundle at 722.5 KB. Gatsby comes in at 2.0 MB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Astro has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Gatsby has an overall health score of 81/100 (very good), with strong maintenance, security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Astro if you value large community support, actively maintained, strong security track record. Choose Gatsby if you value actively maintained, strong security track record.
Both Astro and Gatsby are solid choices for JavaScript development. Astro 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.