Based on 794 and 2412 real audits
| Metric | Amazon Web Services | Microsoft | Winner |
|---|---|---|---|
| Performance | 38 | 39 | Microsoft |
| Accessibility | 89 | 89 | Tie |
| Best Practices | 87 | 86 | Amazon Web Services |
| SEO | 91 | 89 | Amazon Web Services |
| Security | 66 | 66 | Tie |
| TTFB | 296ms | 329ms | Amazon Web Services |
| Composite | 72 | 72 | Tie |
Amazon Web Services outperforms Microsoft in 3 of 7 categories, with a stronger composite score (72 vs 72). Microsoft leads in performance.
Choose Amazon Web Services when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft when your primary concern is performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 794 audited Amazon Web Services 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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