| Metric | core-js | Three.js | Winner |
|---|---|---|---|
| Performance | 36 | 35 | core-js |
| Accessibility | 88 | 92 | Three.js |
| Best Practices | 85 | 91 | Three.js |
| SEO | 91 | 94 | Three.js |
| Security | 67 | 73 | Three.js |
| TTFB | 439ms | 505ms | core-js |
| Composite | 74 | 76 | Three.js |
Three.js outperforms core-js in 5 of 7 categories, with a stronger composite score (76 vs 74). core-js leads in performance, 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 Three.js when your primary concern is best practices and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1847 audited core-js sites and 42 audited Three.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 →
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