| Metric | HSTS | Pantheon | Winner |
|---|---|---|---|
| Performance | 48 | 56 | Pantheon |
| Accessibility | 91 | 98 | Pantheon |
| Best Practices | 89 | 90 | Pantheon |
| SEO | 93 | 92 | HSTS |
| Security | 68 | 71 | Pantheon |
| TTFB | 416ms | 192ms | Pantheon |
| Composite | 75 | 77 | Pantheon |
Pantheon outperforms HSTS in 6 of 7 categories, with a stronger composite score (77 vs 75). HSTS leads in SEO.
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