Based on 92 and 2421 real audits
| Metric | Facebook Login | Microsoft | Winner |
|---|---|---|---|
| Performance | 37 | 39 | Microsoft |
| Accessibility | 85 | 89 | Microsoft |
| Best Practices | 84 | 86 | Microsoft |
| SEO | 90 | 89 | Facebook Login |
| Security | 63 | 66 | Microsoft |
| TTFB | 460ms | 329ms | Microsoft |
| Composite | 71 | 72 | Microsoft |
Microsoft outperforms Facebook Login in 6 of 7 categories, with a stronger composite score (72 vs 71). Facebook Login leads in SEO.
Choose Facebook Login when your primary concern is SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 92 audited Facebook Login sites and 2421 audited Microsoft 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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