Based on 2935 and 16 real audits
| Metric | Google Tag Manager | Platform.sh | Winner |
|---|---|---|---|
| Performance | 40 | 50 | Platform.sh |
| Accessibility | 88 | 89 | Platform.sh |
| Best Practices | 87 | 89 | Platform.sh |
| SEO | 92 | 91 | Google Tag Manager |
| Security | 67 | 65 | Google Tag Manager |
| TTFB | 421ms | 315ms | Platform.sh |
| Composite | 74 | 75 | Platform.sh |
Platform.sh outperforms Google Tag Manager in 5 of 7 categories, with a stronger composite score (75 vs 74). Google Tag Manager leads in SEO, security.
Choose Google Tag Manager when your primary concern is security and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Platform.sh when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2935 audited Google Tag Manager sites and 16 audited Platform.sh 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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