Based on 4415 and 71 real audits
| Metric | Google Search Console | IIS | Winner |
|---|---|---|---|
| Performance | 47 | 45 | Google Search Console |
| Accessibility | 88 | 87 | Google Search Console |
| Best Practices | 87 | 85 | Google Search Console |
| SEO | 91 | 90 | Google Search Console |
| Security | 69 | 66 | Google Search Console |
| TTFB | 366ms | 549ms | Google Search Console |
| Composite | 75 | 72 | Google Search Console |
Google Search Console outperforms IIS in 7 of 7 categories, with a stronger composite score (75 vs 72). IIS leads in no categories.
Choose Google Search Console when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
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 4415 audited Google Search Console sites and 71 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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