Based on 333 and 166 real audits
| Metric | Google Tag Manager | Microsoft | Winner |
|---|---|---|---|
| Performance | 37 | 33 | Google Tag Manager |
| Accessibility | 88 | 87 | Google Tag Manager |
| Best Practices | 87 | 85 | Google Tag Manager |
| SEO | 92 | 91 | Google Tag Manager |
| Security | 64 | 67 | Microsoft |
| TTFB | 285ms | 214ms | Microsoft |
| Composite | 73 | 72 | Google Tag Manager |
Google Tag Manager outperforms Microsoft in 5 of 7 categories, with a stronger composite score (73 vs 72). Microsoft leads in security, TTFB.
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