free developer & seo tools
Free SEO, Schema & AI Search Tools
High-precision developer and marketing utilities to validate schemas, test AI crawler access, verify sitemaps, and inspect technical trust signals.
Sitemap & Multi-Language Validator
Validate XML sitemaps, verify xhtml:link hreflang multi-language tags, and check multi-tenant domain and protocol consistency.
Schema & JSON-LD Validator
Validate structured data against Google Rich Results standards via live website URL or direct JSON-LD code input.
Robots.txt & AI Crawler Checker
Audit permissions for AI search crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended) and inspect /llms.txt.
Favicon & Web App Icon Inspector
Check SVG vector favicons, Apple Touch Icons, Web App Manifests, and dark mode adaptive icon declarations.
AI llms.txt Generator
Create standard /llms.txt and /llms-full.txt markdown documentation files for AI search indexers and answer engines.
Google SERP & Social Previewer
Live simulator for Google Desktop/Mobile search snippets, OpenGraph Facebook cards, and Twitter/X cards.
LLM RAG-Extractability Scorer
Score your webpage on how easily AI retrieval engines can chunk, parse, and cite your content in generative answers.
On-Page SEO & Headings Checker
Inspect Title tags, Meta Descriptions, H1–H6 hierarchy structure, canonical URLs, and image alt text.
Security Headers & SSL Inspector
Check HSTS, CSP, X-Frame-Options, modern TLS versions, and automatic HTTPS redirection.
Hreflang & International SEO
Validate hreflang language tags, country codes, reciprocal verification, and x-default fallbacks.
Redirect & HTTP Chain Tracer
Trace 301/302 redirect hops, detect redirect loops, and verify WWW vs non-WWW canonical host consistency.
next step: ai visibility
Do ChatGPT, Perplexity & Claude actually cite your brand?
Technical checks are just the foundation. Our comprehensive Deep Scan probes 3 foundation LLMs, maps your Knowledge Graph, and identifies competitor citation gaps.