Based on 82 and 2376 real audits
| Metric | Adobe Client Data Layer | Google Tag Manager | Winner |
|---|---|---|---|
| Performance | 32 | 40 | Google Tag Manager |
| Accessibility | 90 | 88 | Adobe Client Data Layer |
| Best Practices | 85 | 86 | Google Tag Manager |
| SEO | 89 | 91 | Google Tag Manager |
| Security | 64 | 64 | Tie |
| TTFB | 392ms | 356ms | Google Tag Manager |
| Composite | 71 | 73 | Google Tag Manager |
Google Tag Manager outperforms Adobe Client Data Layer in 5 of 7 categories, with a stronger composite score (73 vs 71). Adobe Client Data Layer leads in accessibility.
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