Based on 2421 and 60 real audits
| Metric | Microsoft | Windows Server | Winner |
|---|---|---|---|
| Performance | 39 | 45 | Windows Server |
| Accessibility | 89 | 88 | Microsoft |
| Best Practices | 86 | 85 | Microsoft |
| SEO | 89 | 90 | Windows Server |
| Security | 66 | 65 | Microsoft |
| TTFB | 329ms | 549ms | Microsoft |
| Composite | 72 | 71 | Microsoft |
Microsoft outperforms Windows Server in 5 of 7 categories, with a stronger composite score (72 vs 71). Windows Server leads in performance, SEO.
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.
Choose Windows Server when your primary concern is performance and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2421 audited Microsoft sites and 60 audited Windows Server 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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