Free tool · No credit card
Free GEO Audit Tool
Analyze your website's SEO, Core Web Vitals, AI visibility, technical issues, and ranking opportunities in seconds.
Powered by GPT-5, Gemini, Claude · 10,000+ audits generated · AI-powered recommendations
Why SEO audits matter
Traditional checkers miss AI-era signals. Lumen GEO OS audits technical SEO, performance, content semantics, backlinks, and LLM visibility in one workflow — built for agencies and growth teams who need clarity, not checkbox reports.
AI SEO optimization
Track citations in ChatGPT & Perplexity, optimize for Gemini, and improve AI Overview readiness with entity-based recommendations.
Core Web Vitals
Pass/fail states for LCP, CLS, INP, and Speed Index with actionable fixes prioritized by traffic impact.
Loved by SEO operators
“The AI visibility score alone justified switching from our legacy stack.”
Jordan Lee · SEO Lead
“Feels like Semrush met Linear — our clients love the audit reports.”
Elena Voss · Agency Owner
How we compare
Neutral overview — legacy enterprise SEO platforms
| Feature | Lumen GEO OS | Typical legacy tool |
|---|---|---|
| AI visibility scoring | Limited | |
| Instant free audit | Trial required | |
| Multi-model AI fixes | — | |
| Core Web Vitals | true |
Semrush, Ahrefs, SurferSEO, and Writesonic are registered trademarks of their respective owners. Lumen GEO OS is an independent platform and is not affiliated with, endorsed by, or sponsored by these companies.
FAQ
Why do SEO audits matter in 2026?
Search now spans Google, AI Overviews, ChatGPT, and Perplexity. A modern audit covers technical health, Core Web Vitals, and AI visibility — not just meta tags.
What is AI SEO optimization?
AI SEO ensures your brand is cited in LLM answers, appears in AI Overviews, and maintains strong entity coverage for semantic search systems.
Why are Core Web Vitals important?
LCP, CLS, and INP directly affect rankings and conversions. Poor vitals increase bounce rates and reduce crawl budget efficiency.
Is this audit really free?
Yes — run instant scores and top recommendations free. Full exports, deep backlink analysis, and ongoing monitoring are available in Lumen Pro.
Ready for the full workspace?
Unlock unlimited audits, PDF exports, rank tracking, and AI visibility monitoring with Lumen GEO OS.