Based on 1 and 26 real audits
| Metric | IBM Carbon Design System | Microsoft Clarity | Winner |
|---|---|---|---|
| Performance | 25 | 31 | Microsoft Clarity |
| Accessibility | 80 | 91 | Microsoft Clarity |
| Best Practices | 77 | 84 | Microsoft Clarity |
| SEO | 92 | 91 | IBM Carbon Design System |
| Security | 68 | 64 | IBM Carbon Design System |
| TTFB | 43ms | 188ms | IBM Carbon Design System |
| Composite | 73 | 72 | IBM Carbon Design System |
IBM Carbon Design System outperforms Microsoft Clarity in 4 of 7 categories, with a stronger composite score (73 vs 72). Microsoft Clarity leads in performance, accessibility, best practices.
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