Based on 2486 and 93 real audits
| Metric | Google Tag Manager | ZURB Foundation | Winner |
|---|---|---|---|
| Performance | 40 | 38 | Google Tag Manager |
| Accessibility | 88 | 87 | Google Tag Manager |
| Best Practices | 86 | 85 | Google Tag Manager |
| SEO | 91 | 90 | Google Tag Manager |
| Security | 64 | 65 | ZURB Foundation |
| TTFB | 370ms | 375ms | Google Tag Manager |
| Composite | 73 | 72 | Google Tag Manager |
Google Tag Manager outperforms ZURB Foundation in 6 of 7 categories, with a stronger composite score (73 vs 72). ZURB Foundation leads in security.
Choose Google Tag Manager when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose ZURB Foundation when your primary concern is security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2486 audited Google Tag Manager sites and 93 audited ZURB Foundation 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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