Based on 3817 and 61 real audits
| Metric | Google Search Console | Microsoft IIS | Winner |
|---|---|---|---|
| Performance | 44 | 44 | Tie |
| Accessibility | 88 | 88 | Tie |
| Best Practices | 86 | 84 | Google Search Console |
| SEO | 90 | 90 | Tie |
| Security | 67 | 65 | Google Search Console |
| TTFB | 346ms | 534ms | Google Search Console |
| Composite | 73 | 71 | Google Search Console |
Google Search Console outperforms Microsoft IIS in 4 of 7 categories, with a stronger composite score (73 vs 71). Microsoft IIS leads in no categories.
Choose Google Search Console when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Microsoft IIS doesn't clearly lead Google Search Console 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 3817 audited Google Search Console 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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