Based on 46 and 11 real audits
| Metric | core-js | Microsoft Advertising | Winner |
|---|---|---|---|
| Performance | 36 | 26 | core-js |
| Accessibility | 89 | 88 | core-js |
| Best Practices | 83 | 78 | core-js |
| SEO | 92 | 92 | Tie |
| Security | 66 | 64 | core-js |
| TTFB | 337ms | 269ms | Microsoft Advertising |
| Composite | 73 | 72 | core-js |
core-js outperforms Microsoft Advertising in 5 of 7 categories, with a stronger composite score (73 vs 72). Microsoft Advertising leads in TTFB.
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