Based on 1488 and 8 real audits
| Metric | core-js | GOV.UK Frontend | Winner |
|---|---|---|---|
| Performance | 36 | 69 | GOV.UK Frontend |
| Accessibility | 88 | 99 | GOV.UK Frontend |
| Best Practices | 83 | 100 | GOV.UK Frontend |
| SEO | 91 | 97 | GOV.UK Frontend |
| Security | 64 | 72 | GOV.UK Frontend |
| TTFB | 359ms | 314ms | GOV.UK Frontend |
| Composite | 72 | 82 | GOV.UK Frontend |
GOV.UK Frontend outperforms core-js in 7 of 7 categories, with a stronger composite score (82 vs 72). core-js leads in no categories.
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