# The Trusted Signal > The Trusted Signal is a unified SEO, GEO (Generative Engine Optimization), and AEO (AI Engine Optimization) audit platform that measures how much AI engines trust and cite your website. ## About The Trusted Signal provides a Trust Score that quantifies your website's visibility and authority across AI-powered search engines like ChatGPT, Perplexity, Gemini, and Claude. The platform evaluates 25 factors across 8 categories: meta tags, security, crawlability, content quality, structured data (schema), mobile readiness, performance, and GEO optimization. Trust Score tiers range from Invisible (0-19) to Trusted (80-100), giving website owners a clear roadmap to improve their AI discoverability. ## Key Links - Platform: https://app.thetrustedsignal.com - Free Scan: https://app.thetrustedsignal.com/scan.html - Blog/Newsletter: https://thetrustedsignal.com - Sign In: https://app.thetrustedsignal.com/login.html ## Features - Free Trust Score Scan: Analyze any website across 13 checks in under 60 seconds - Full 50-Page Audit: Deep analysis with Core Web Vitals, schema validation, and AI crawlability checks - AI Chat Advisor: Personalized recommendations to improve your trust score - Comprehensive Reports: Executive summaries, technical reports, GEO analysis, and keyword strategy - Trust Tiers: Invisible, Fragile, Visible, Cited, Trusted — know exactly where you stand ## Categories Evaluated 1. Meta Tags (15%): Title, description, Open Graph, canonical 2. Security (12%): SSL certificate, security headers 3. Crawlability (12%): robots.txt, sitemap.xml 4. Content (18%): Headings, internal links, author, publication date, outbound links 5. Schema (8%): JSON-LD structured data 6. Mobile (5%): Viewport, responsive design 7. Performance (15%): Response time, Core Web Vitals (LCP, INP, CLS) 8. GEO (15%): AI bot access, llms.txt, content extractability, answer-first structure, freshness signals ## Contact - Platform: https://app.thetrustedsignal.com - Newsletter: https://thetrustedsignal.com