parcel
Blazing fast, zero configuration web application bundler
314.0K weekly downloads · 12.9 KB gzip · Health 63/100
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Comparison guide
Parcel vs Rollup
Side-by-side NPM package comparison
Quick Verdict
Smallest Bundle
Parcel
12.9 KB gzipped
Most Popular
Rollup
101.3M weekly downloads
Best Maintained
Rollup
100/100 maintenance score
Highest Quality
Parcel
50/100 quality score
Overall Pick
Rollup
Best all-around based on popularity, size, maintenance & quality
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Choosing between Parcel and Rollup? 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
Rollup leads with 101.3M weekly downloads — roughly 322.7x more. Parcel has 314.0K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Bundle Size
Parcel has the smallest gzipped bundle at 12.9 KB. Rollup comes in at 118.4 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Health Score Comparison
Rollup has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Parcel has an overall health score of 63/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
When to Choose Each
Choose Parcel if you value strong security track record. Choose Rollup if you value massive community and ecosystem, actively maintained, strong security track record.
Our Verdict
Both Parcel and Rollup are solid choices for JavaScript development. Rollup 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 parcel better than rollup?
- It depends on your needs. Parcel has a health score of 63/100 while Rollup scores 85/100. Rollup has more recorded weekly downloads (101.3M). Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
- Which has a smaller bundle size, parcel or rollup?
- Parcel has the smaller gzipped bundle at 12.9 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
- How many developers use parcel vs rollup?
- Rollup has more recorded weekly downloads (101.3M). Download counts reflect package installations, not unique developers.
- Which is better maintained, parcel or rollup?
- Rollup has a maintenance score of 100/100. Parcel scores 40/100 and Rollup scores 100/100 on maintenance.
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