| Metric | Mimecast | Winner | |
|---|---|---|---|
| Performance | 39 | 38 | |
| Accessibility | 89 | 89 | Tie |
| Best Practices | 85 | 87 | Mimecast |
| SEO | 90 | 86 | |
| Security | 67 | 66 | |
| TTFB | 281ms | 263ms | Mimecast |
| Composite | 73 | 73 | Tie |
Facebook outperforms Mimecast in 3 of 7 categories, with a stronger composite score (73 vs 73). Mimecast leads in best practices, TTFB.
Choose Facebook when your primary concern is SEO and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Mimecast when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1467 audited Facebook sites and 148 audited Mimecast 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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