| Metric | React | Underscore.js | Winner |
|---|---|---|---|
| Performance | 40 | 35 | React |
| Accessibility | 91 | 87 | React |
| Best Practices | 88 | 77 | React |
| SEO | 93 | 89 | React |
| Security | 65 | 66 | Underscore.js |
| TTFB | 456ms | 1225ms | React |
| Composite | 73 | 71 | React |
React outperforms Underscore.js in 6 of 7 categories, with a stronger composite score (73 vs 71). Underscore.js leads in security.
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