Based on 149 and 1467 real audits
| Metric | Amazon S3 | Microsoft | Winner |
|---|---|---|---|
| Performance | 37 | 38 | Microsoft |
| Accessibility | 89 | 89 | Tie |
| Best Practices | 84 | 86 | Microsoft |
| SEO | 93 | 90 | Amazon S3 |
| Security | 67 | 66 | Amazon S3 |
| TTFB | 215ms | 308ms | Amazon S3 |
| Composite | 73 | 72 | Amazon S3 |
Amazon S3 outperforms Microsoft in 4 of 7 categories, with a stronger composite score (73 vs 72). Microsoft leads in performance, best practices.
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