Based on 2421 and 14 real audits
| Metric | Microsoft | Mouse Flow | Winner |
|---|---|---|---|
| Performance | 39 | 40 | Mouse Flow |
| Accessibility | 89 | 90 | Mouse Flow |
| Best Practices | 86 | 82 | Microsoft |
| SEO | 89 | 90 | Mouse Flow |
| Security | 66 | 64 | Microsoft |
| TTFB | 329ms | 266ms | Mouse Flow |
| Composite | 72 | 72 | Tie |
Mouse Flow outperforms Microsoft in 4 of 7 categories, with a stronger composite score (72 vs 72). Microsoft leads in best practices, security.
Choose Microsoft when your primary concern is best practices and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Mouse Flow when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2421 audited Microsoft sites and 14 audited Mouse Flow 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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