Based on 636 and 13 real audits
| Metric | Facebook SDK | Mountain | Winner |
|---|---|---|---|
| Performance | 32 | 34 | Mountain |
| Accessibility | 88 | 90 | Mountain |
| Best Practices | 79 | 77 | Facebook SDK |
| SEO | 91 | 92 | Mountain |
| Security | 64 | 61 | Facebook SDK |
| TTFB | 395ms | 432ms | Facebook SDK |
| Composite | 72 | 71 | Facebook SDK |
Facebook SDK outperforms Mountain in 4 of 7 categories, with a stronger composite score (72 vs 71). Mountain leads in performance, accessibility, SEO.
Choose Facebook SDK when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Mountain when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 636 audited Facebook SDK sites and 13 audited Mountain 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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