Based on 20 and 2412 real audits
| Metric | AccessiBe | Microsoft | Winner |
|---|---|---|---|
| Performance | 36 | 39 | Microsoft |
| Accessibility | 86 | 89 | Microsoft |
| Best Practices | 86 | 86 | Tie |
| SEO | 90 | 89 | AccessiBe |
| Security | 68 | 66 | AccessiBe |
| TTFB | 234ms | 329ms | AccessiBe |
| Composite | 73 | 72 | AccessiBe |
AccessiBe outperforms Microsoft in 4 of 7 categories, with a stronger composite score (73 vs 72). Microsoft leads in performance, accessibility.
Choose AccessiBe when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft 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 20 audited AccessiBe sites and 2412 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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