Based on 7 and 235 real audits
| Metric | AOS | Google Tag Manager | Winner |
|---|---|---|---|
| Performance | 31 | 38 | Google Tag Manager |
| Accessibility | 92 | 89 | AOS |
| Best Practices | 83 | 88 | Google Tag Manager |
| SEO | 95 | 92 | AOS |
| Security | 70 | 65 | AOS |
| TTFB | 295ms | 280ms | Google Tag Manager |
| Composite | 75 | 73 | AOS |
AOS outperforms Google Tag Manager in 4 of 7 categories, with a stronger composite score (75 vs 73). Google Tag Manager leads in performance, best practices, TTFB.
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