| Metric | AWS | core-js | Winner |
|---|---|---|---|
| Performance | 32 | 36 | core-js |
| Accessibility | 93 | 89 | AWS |
| Best Practices | 81 | 83 | core-js |
| SEO | 91 | 92 | core-js |
| Security | 62 | 66 | core-js |
| TTFB | 314ms | 337ms | AWS |
| Composite | 69 | 73 | core-js |
core-js outperforms AWS in 5 of 7 categories, with a stronger composite score (73 vs 69). AWS leads in accessibility, TTFB.
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