Based on 63 and 2 real audits
| Metric | Google Tag Manager | Gutenberg | Winner |
|---|---|---|---|
| Performance | 41 | 65 | Gutenberg |
| Accessibility | 89 | 95 | Gutenberg |
| Best Practices | 88 | 100 | Gutenberg |
| SEO | 92 | 96 | Gutenberg |
| Security | 65 | 63 | Google Tag Manager |
| TTFB | 395ms | 62ms | Gutenberg |
| Composite | 74 | 79 | Gutenberg |
Gutenberg outperforms Google Tag Manager in 6 of 7 categories, with a stronger composite score (79 vs 74). Google Tag Manager leads in security.
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