| Metric | HSTS | Prebid | Winner |
|---|---|---|---|
| Performance | 48 | 32 | HSTS |
| Accessibility | 91 | 83 | HSTS |
| Best Practices | 89 | 80 | HSTS |
| SEO | 93 | 88 | HSTS |
| Security | 68 | 64 | HSTS |
| TTFB | 416ms | 200ms | Prebid |
| Composite | 75 | 71 | HSTS |
HSTS outperforms Prebid in 6 of 7 categories, with a stronger composite score (75 vs 71). Prebid leads in TTFB.
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