Based on 3216 and 79 real audits
| Metric | Google Tag Manager | Windows Server | Winner |
|---|---|---|---|
| Performance | 42 | 51 | Windows Server |
| Accessibility | 88 | 88 | Tie |
| Best Practices | 87 | 87 | Tie |
| SEO | 92 | 92 | Tie |
| Security | 68 | 69 | Windows Server |
| TTFB | 443ms | 530ms | Google Tag Manager |
| Composite | 75 | 74 | Google Tag Manager |
Google Tag Manager and Windows Server are closely matched, each leading in different categories. Google Tag Manager has a composite score of 75 while Windows Server scores 74.
Choose Google Tag Manager when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Windows Server when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 3216 audited Google Tag Manager sites and 79 audited Windows Server 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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