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Comparison guide

Enzyme vs Testing-library

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Testing-library

478.0 B gzipped

Most Popular

Enzyme

664.9K weekly downloads

Best Maintained

Enzyme

20/100 maintenance score

Highest Quality

Enzyme

50/100 quality score

Overall Pick

Enzyme

Best all-around based on popularity, size, maintenance & quality

  1. enzyme

    JavaScript Testing utilities for React

    664.9K weekly downloads · 40.8 KB gzip · Health 59/100

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Choosing between Enzyme and Testing-library? 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

Enzyme leads with 664.9K weekly downloads — roughly 67.6x more. Testing-library has 9.8K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Testing-library has the smallest gzipped bundle at 478.0 B. Enzyme comes in at 40.8 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Enzyme has an overall health score of 59/100 (moderate), with strong security, popularity scores. Testing-library has an overall health score of 51/100 (moderate), with strong security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Enzyme if you value strong security track record. Choose Testing-library if you value minimal bundle footprint, strong security track record.

Our Verdict

Both Enzyme and Testing-library are solid choices for JavaScript development. Enzyme has the edge in overall health score (59/100), 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 enzyme better than testing-library?
It depends on your needs. Enzyme has a health score of 59/100 while Testing-library scores 51/100. Enzyme has more recorded weekly downloads (664.9K). Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, enzyme or testing-library?
Testing-library has the smaller gzipped bundle at 478.0 B. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use enzyme vs testing-library?
Enzyme has more recorded weekly downloads (664.9K). Download counts reflect package installations, not unique developers.
Which is better maintained, enzyme or testing-library?
Enzyme has a maintenance score of 20/100. Enzyme scores 20/100 and Testing-library scores 20/100 on maintenance.

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