Based on 1582 and 37 real audits
| Metric | core-js | FingerprintJS | Winner |
|---|---|---|---|
| Performance | 36 | 29 | core-js |
| Accessibility | 88 | 87 | core-js |
| Best Practices | 84 | 79 | core-js |
| SEO | 91 | 89 | core-js |
| Security | 65 | 64 | core-js |
| TTFB | 374ms | 302ms | FingerprintJS |
| Composite | 72 | 71 | core-js |
core-js outperforms FingerprintJS in 6 of 7 categories, with a stronger composite score (72 vs 71). FingerprintJS leads in TTFB.
Choose core-js when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose FingerprintJS when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1582 audited core-js sites and 37 audited FingerprintJS 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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