| Metric | Facebook SDK | Vitals | Winner |
|---|---|---|---|
| Performance | 33 | 34 | Vitals |
| Accessibility | 88 | 83 | Facebook SDK |
| Best Practices | 80 | 81 | Vitals |
| SEO | 92 | 100 | Vitals |
| Security | 66 | 83 | Vitals |
| TTFB | 464ms | 100ms | Vitals |
| Composite | 73 | 81 | Vitals |
Vitals outperforms Facebook SDK in 6 of 7 categories, with a stronger composite score (81 vs 73). Facebook SDK leads in accessibility.
Choose Facebook SDK when your primary concern is accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Vitals when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 735 audited Facebook SDK sites and 1 audited Vitals 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 →
Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.
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