Based on 12 and 2504 real audits
| Metric | Craft CMS | Google Tag Manager | Winner |
|---|---|---|---|
| Performance | 42 | 40 | Craft CMS |
| Accessibility | 89 | 88 | Craft CMS |
| Best Practices | 87 | 86 | Craft CMS |
| SEO | 91 | 91 | Tie |
| Security | 65 | 65 | Tie |
| TTFB | 167ms | 372ms | Craft CMS |
| Composite | 74 | 73 | Craft CMS |
Craft CMS outperforms Google Tag Manager in 5 of 7 categories, with a stronger composite score (74 vs 73). Google Tag Manager leads in no categories.
Choose Craft CMS when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Google Tag Manager doesn't clearly lead Craft CMS in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.
Scores are medians across 12 audited Craft CMS sites and 2504 audited Google Tag Manager sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →
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