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Comparison guide

Graphql-yoga vs Mercurius

Side-by-side NPM package comparison

Quick Verdict

Graphql-yoga leads across all categories in this comparison. Check the detailed metrics below to see how each package performs for your specific needs.

graphql-yoga icon

graphql-yoga

Very Popular

Version 5.21.0

0
79
Good

<div align="center"><img src="https://raw.githubusercontent.com/graphql-hive/graphql-yoga/refs/heads/main/website/public/cover.png" width="720" /></div>

Weekly Downloads
1.3M
↑16%
Bundle (gzip)
87.2 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
80
Popularity
100
Quality
50
Security
100
Stability
70
mercurius icon

mercurius

Popular

Version 16.9.0

0
75
Good

Fastify GraphQL adapter with subscription support

Weekly Downloads
143.6K
↓8%
Bundle (gzip)
168.8 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
80
Popularity
80
Quality
50
Security
100
Stability
70

Choosing between Graphql-yoga and Mercurius? 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

Graphql-yoga leads with 1.3M weekly downloads — roughly 8.9x more. Mercurius has 143.6K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Graphql-yoga has the smallest gzipped bundle at 87.2 KB. Mercurius comes in at 168.8 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Graphql-yoga has an overall health score of 79/100 (very good), with strong maintenance, security, popularity scores. Mercurius has an overall health score of 75/100 (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 Graphql-yoga if you value large community support, strong security track record. Choose Mercurius if you value strong security track record.

Our Verdict

Both Graphql-yoga and Mercurius are solid choices for JavaScript development. Graphql-yoga has the edge in overall health score (79/100), 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 graphql-yoga better than mercurius?
It depends on your needs. Graphql-yoga has a health score of 79/100 while Mercurius scores 75/100. Graphql-yoga has more weekly downloads (1.3M), 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, graphql-yoga or mercurius?
Graphql-yoga has the smaller gzipped bundle at 87.2 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use graphql-yoga vs mercurius?
Based on npm download statistics, Graphql-yoga has approximately 1.3M weekly downloads and Mercurius has approximately 143.6K weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, graphql-yoga or mercurius?
Graphql-yoga currently has the higher overall health score at 79/100. Graphql-yoga has a maintenance score of 80/100 and Mercurius scores 80/100 on maintenance.

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