Based on 63 and 3 real audits
| Metric | Google Tag Manager | Klarna Checkout | Winner |
|---|---|---|---|
| Performance | 41 | 31 | Google Tag Manager |
| Accessibility | 89 | 84 | Google Tag Manager |
| Best Practices | 88 | 79 | Google Tag Manager |
| SEO | 92 | 92 | Tie |
| Security | 65 | 69 | Klarna Checkout |
| TTFB | 395ms | 638ms | Google Tag Manager |
| Composite | 74 | 72 | Google Tag Manager |
Google Tag Manager outperforms Klarna Checkout in 5 of 7 categories, with a stronger composite score (74 vs 72). Klarna Checkout leads in security.
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