Based on 2529 and 14 real audits
| Metric | Microsoft | Mouse Flow | Winner |
|---|---|---|---|
| Performance | 40 | 40 | Tie |
| Accessibility | 89 | 90 | Mouse Flow |
| Best Practices | 86 | 82 | Microsoft |
| SEO | 89 | 90 | Mouse Flow |
| Security | 67 | 64 | Microsoft |
| TTFB | 333ms | 266ms | Mouse Flow |
| Composite | 73 | 72 | Microsoft |
Microsoft and Mouse Flow are closely matched, each leading in different categories. Microsoft has a composite score of 73 while Mouse Flow scores 72.
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 accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2529 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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