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Comparison guide

Unocss vs Windicss

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Windicss

49.2 KB gzipped

Most Popular

Unocss

514.7K weekly downloads

Best Maintained

Unocss

100/100 maintenance score

Highest Quality

Unocss

50/100 quality score

Overall Pick

Unocss

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

  1. unocss

    The instant on-demand Atomic CSS engine.

    514.7K weekly downloads · 162.4 KB gzip · Health 83/100

    0
  2. windicss

    Next generation utility-first CSS framework.

    56.9K weekly downloads · 49.2 KB gzip · Health 55/100

    0

Choosing between Unocss and Windicss? 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

Unocss leads with 514.7K weekly downloads — roughly 9.0x more. Windicss has 56.9K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Windicss has the smallest gzipped bundle at 49.2 KB. Unocss comes in at 162.4 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Unocss has an overall health score of 83/100 (very good), with strong maintenance, security, popularity scores. Windicss has an overall health score of 55/100 (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 Unocss if you value actively maintained, strong security track record. Choose Windicss if you value strong security track record.

Our Verdict

Both Unocss and Windicss are solid choices for JavaScript development. Unocss has the edge in overall health score (83/100), 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 unocss better than windicss?
It depends on your needs. Unocss has a health score of 83/100 while Windicss scores 55/100. Unocss has more recorded weekly downloads (514.7K). Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, unocss or windicss?
Windicss has the smaller gzipped bundle at 49.2 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use unocss vs windicss?
Unocss has more recorded weekly downloads (514.7K). Download counts reflect package installations, not unique developers.
Which is better maintained, unocss or windicss?
Unocss has a maintenance score of 100/100. Unocss scores 100/100 and Windicss scores 20/100 on maintenance.

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