Based on 1841 and 689 real audits
| Metric | core-js | Facebook Pixel | Winner |
|---|---|---|---|
| Performance | 37 | 33 | core-js |
| Accessibility | 88 | 88 | Tie |
| Best Practices | 85 | 80 | core-js |
| SEO | 91 | 92 | Facebook Pixel |
| Security | 67 | 66 | core-js |
| TTFB | 439ms | 437ms | Facebook Pixel |
| Composite | 74 | 73 | core-js |
core-js outperforms Facebook Pixel in 4 of 7 categories, with a stronger composite score (74 vs 73). Facebook Pixel leads in SEO, TTFB.
Choose core-js when your primary concern is best practices and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Facebook Pixel when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1841 audited core-js sites and 689 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 →
Send Feedback