Based on 3213 and 13 real audits
| Metric | Google Tag Manager | Mautic | Winner |
|---|---|---|---|
| Performance | 42 | 28 | Google Tag Manager |
| Accessibility | 88 | 92 | Mautic |
| Best Practices | 87 | 84 | Google Tag Manager |
| SEO | 92 | 94 | Mautic |
| Security | 68 | 70 | Mautic |
| TTFB | 443ms | 426ms | Mautic |
| Composite | 75 | 74 | Google Tag Manager |
Mautic outperforms Google Tag Manager in 4 of 7 categories, with a stronger composite score (74 vs 75). Google Tag Manager leads in performance, best practices, composite score.
Choose Google Tag Manager when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Mautic when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 3213 audited Google Tag Manager sites and 13 audited Mautic 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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