Based on 115 and 2935 real audits
| Metric | Google Cloud CDN | Google Tag Manager | Winner |
|---|---|---|---|
| Performance | 41 | 40 | Google Cloud CDN |
| Accessibility | 90 | 88 | Google Cloud CDN |
| Best Practices | 87 | 87 | Tie |
| SEO | 92 | 92 | Tie |
| Security | 68 | 67 | Google Cloud CDN |
| TTFB | 253ms | 421ms | Google Cloud CDN |
| Composite | 74 | 74 | Tie |
Google Cloud CDN outperforms Google Tag Manager in 4 of 7 categories, with a stronger composite score (74 vs 74). Google Tag Manager leads in no categories.
Choose Google Cloud CDN when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Google Tag Manager doesn't clearly lead Google Cloud CDN 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 115 audited Google Cloud CDN sites and 2935 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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