Based on 1459 and 145 real audits
| Metric | Google Tag Manager | Java | Winner |
|---|---|---|---|
| Performance | 39 | 36 | Google Tag Manager |
| Accessibility | 89 | 90 | Java |
| Best Practices | 87 | 84 | Google Tag Manager |
| SEO | 91 | 89 | Google Tag Manager |
| Security | 64 | 65 | Java |
| TTFB | 330ms | 368ms | Google Tag Manager |
| Composite | 73 | 72 | Google Tag Manager |
Google Tag Manager outperforms Java in 5 of 7 categories, with a stronger composite score (73 vs 72). Java leads in accessibility, security.
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