Based on 1 and 13 real audits
| Metric | IBM Carbon Design System | Marketo | Winner |
|---|---|---|---|
| Performance | 25 | 25 | Tie |
| Accessibility | 80 | 87 | Marketo |
| Best Practices | 77 | 78 | Marketo |
| SEO | 92 | 89 | IBM Carbon Design System |
| Security | 68 | 65 | IBM Carbon Design System |
| TTFB | 43ms | 285ms | IBM Carbon Design System |
| Composite | 73 | 72 | IBM Carbon Design System |
IBM Carbon Design System outperforms Marketo in 4 of 7 categories, with a stronger composite score (73 vs 72). Marketo leads in accessibility, best practices.
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