Based on 154 and 3 real audits
| Metric | core-js | Klaviyo Customer Hub | Winner |
|---|---|---|---|
| Performance | 33 | 27 | core-js |
| Accessibility | 88 | 89 | Klaviyo Customer Hub |
| Best Practices | 84 | 83 | core-js |
| SEO | 92 | 94 | Klaviyo Customer Hub |
| Security | 66 | 71 | Klaviyo Customer Hub |
| TTFB | 364ms | 131ms | Klaviyo Customer Hub |
| Composite | 73 | 72 | core-js |
Klaviyo Customer Hub outperforms core-js in 4 of 7 categories, with a stronger composite score (72 vs 73). core-js leads in performance, best practices, composite score.
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