Based on 63 and 11 real audits
| Metric | Google Tag Manager | Shopify | Winner |
|---|---|---|---|
| Performance | 41 | 29 | Google Tag Manager |
| Accessibility | 89 | 87 | Google Tag Manager |
| Best Practices | 88 | 79 | Google Tag Manager |
| SEO | 92 | 95 | Shopify |
| Security | 65 | 66 | Shopify |
| TTFB | 395ms | 294ms | Shopify |
| Composite | 74 | 71 | Google Tag Manager |
Google Tag Manager outperforms Shopify in 4 of 7 categories, with a stronger composite score (74 vs 71). Shopify leads in SEO, security, TTFB.
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