Based on 1570 and 602 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 | 91 | Tie |
| Security | 65 | 65 | Tie |
| TTFB | 371ms | 392ms | core-js |
| Composite | 72 | 72 | Tie |
core-js outperforms Facebook Pixel in 3 of 7 categories, with a stronger composite score (72 vs 72). Facebook Pixel leads in no categories.
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.
Facebook Pixel doesn't clearly lead core-js in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.
Scores are medians across 1570 audited core-js sites and 602 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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