Based on 447 and 2550 real audits
| Metric | Amazon CloudFront | Microsoft | Winner |
|---|---|---|---|
| Performance | 39 | 40 | Microsoft |
| Accessibility | 89 | 89 | Tie |
| Best Practices | 87 | 86 | Amazon CloudFront |
| SEO | 91 | 89 | Amazon CloudFront |
| Security | 66 | 67 | Microsoft |
| TTFB | 263ms | 336ms | Amazon CloudFront |
| Composite | 73 | 73 | Tie |
Amazon CloudFront outperforms Microsoft in 3 of 7 categories, with a stronger composite score (73 vs 73). Microsoft leads in performance, security.
Choose Amazon CloudFront 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 and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 447 audited Amazon CloudFront sites and 2550 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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