Based on 13 and 63 real audits
| Metric | Bootstrap | Google Tag Manager | Winner |
|---|---|---|---|
| Performance | 42 | 41 | Bootstrap |
| Accessibility | 90 | 89 | Bootstrap |
| Best Practices | 87 | 88 | Google Tag Manager |
| SEO | 94 | 92 | Bootstrap |
| Security | 63 | 65 | Google Tag Manager |
| TTFB | 241ms | 395ms | Bootstrap |
| Composite | 73 | 74 | Google Tag Manager |
Bootstrap outperforms Google Tag Manager in 4 of 7 categories, with a stronger composite score (73 vs 74). Google Tag Manager leads in best practices, security, composite score.
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