Based on 63 and 28 real audits
| Metric | Google Tag Manager | Next.js | Winner |
|---|---|---|---|
| Performance | 41 | 35 | Google Tag Manager |
| Accessibility | 89 | 89 | Tie |
| Best Practices | 88 | 88 | Tie |
| SEO | 92 | 92 | Tie |
| Security | 65 | 67 | Next.js |
| TTFB | 395ms | 575ms | Google Tag Manager |
| Composite | 74 | 73 | Google Tag Manager |
Google Tag Manager outperforms Next.js in 3 of 7 categories, with a stronger composite score (74 vs 73). Next.js leads in security.
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