Based on 2376 and 144 real audits
| Metric | Google Tag Manager | Mimecast | Winner |
|---|---|---|---|
| Performance | 40 | 38 | Google Tag Manager |
| Accessibility | 88 | 90 | Mimecast |
| Best Practices | 86 | 87 | Mimecast |
| SEO | 91 | 87 | Google Tag Manager |
| Security | 64 | 66 | Mimecast |
| TTFB | 356ms | 257ms | Mimecast |
| Composite | 73 | 72 | Google Tag Manager |
Mimecast outperforms Google Tag Manager in 4 of 7 categories, with a stronger composite score (72 vs 73). Google Tag Manager leads in performance, SEO, composite score.
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