Based on 2060 and 66 real audits
| Metric | Google Analytics | IIS | Winner |
|---|---|---|---|
| Performance | 41 | 45 | IIS |
| Accessibility | 87 | 87 | Tie |
| Best Practices | 86 | 84 | Google Analytics |
| SEO | 91 | 90 | Google Analytics |
| Security | 65 | 66 | IIS |
| TTFB | 417ms | 513ms | Google Analytics |
| Composite | 73 | 72 | Google Analytics |
Google Analytics outperforms IIS in 4 of 7 categories, with a stronger composite score (73 vs 72). IIS leads in performance, security.
Choose Google Analytics when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose IIS 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 2060 audited Google Analytics sites and 66 audited IIS 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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