| Metric | core-js | Matter.js | Winner |
|---|---|---|---|
| Performance | 36 | 33 | core-js |
| Accessibility | 88 | 93 | Matter.js |
| Best Practices | 84 | 82 | core-js |
| SEO | 91 | 95 | Matter.js |
| Security | 65 | 67 | Matter.js |
| TTFB | 374ms | 525ms | core-js |
| Composite | 72 | 74 | Matter.js |
Matter.js outperforms core-js in 4 of 7 categories, with a stronger composite score (74 vs 72). core-js leads in performance, best practices, TTFB.
Choose core-js when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Matter.js when your primary concern is accessibility and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1582 audited core-js sites and 11 audited Matter.js sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →
Send Feedback