| Metric | Prebid | Winner | |
|---|---|---|---|
| Performance | 38 | 33 | |
| Accessibility | 89 | 87 | |
| Best Practices | 84 | 81 | |
| SEO | 90 | 90 | Tie |
| Security | 67 | 64 | |
| TTFB | 281ms | 266ms | Prebid |
| Composite | 72 | 72 | Tie |
Facebook outperforms Prebid in 4 of 7 categories, with a stronger composite score (72 vs 72). Prebid leads in TTFB.
Choose Facebook when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Prebid 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 1405 audited Facebook sites and 321 audited Prebid 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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