Based on 224 and 3 real audits
| Metric | Google Tag Manager | Mastercard | Winner |
|---|---|---|---|
| Performance | 37 | 35 | Google Tag Manager |
| Accessibility | 89 | 81 | Google Tag Manager |
| Best Practices | 87 | 96 | Mastercard |
| SEO | 92 | 92 | Tie |
| Security | 65 | 73 | Mastercard |
| TTFB | 277ms | 131ms | Mastercard |
| Composite | 73 | 72 | Google Tag Manager |
Google Tag Manager and Mastercard are closely matched, each leading in different categories. Google Tag Manager has a composite score of 73 while Mastercard scores 72.
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