Based on 1905 and 61 real audits
| Metric | Google Analytics | Microsoft IIS | Winner |
|---|---|---|---|
| Performance | 41 | 44 | Microsoft IIS |
| Accessibility | 87 | 88 | Microsoft IIS |
| Best Practices | 85 | 84 | Google Analytics |
| SEO | 91 | 90 | Google Analytics |
| Security | 64 | 65 | Microsoft IIS |
| TTFB | 401ms | 534ms | Google Analytics |
| Composite | 73 | 71 | Google Analytics |
Google Analytics outperforms Microsoft IIS in 4 of 7 categories, with a stronger composite score (73 vs 71). Microsoft IIS leads in performance, accessibility, 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 Microsoft IIS when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1905 audited Google Analytics sites and 61 audited Microsoft 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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