Based on 1687 and 636 real audits
| Metric | core-js | Facebook Pixel | Winner |
|---|---|---|---|
| Performance | 36 | 33 | core-js |
| Accessibility | 88 | 88 | Tie |
| Best Practices | 84 | 79 | core-js |
| SEO | 91 | 92 | Facebook Pixel |
| Security | 66 | 66 | Tie |
| TTFB | 396ms | 422ms | core-js |
| Composite | 73 | 72 | core-js |
core-js outperforms Facebook Pixel in 4 of 7 categories, with a stronger composite score (73 vs 72). Facebook Pixel leads in SEO.
Choose core-js when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Facebook Pixel when your primary concern is SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1687 audited core-js sites and 636 audited Facebook Pixel 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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