⚡ AI Search Revolution: Over 48% of search queries now bypass Google for ChatGPT & Perplexity. Launch Your Tool in 24h →
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⚡ 2026 FREE GENERATIVE ENGINE OPTIMIZATION (GEO) SCANNER

Are AI Search Engines Recommending Your Brand?

Test your domain across ChatGPT Search, Perplexity AI, Claude, and Google AI Overviews in 5 seconds. Identify missing structured data, bot crawl blocks, and citation gaps.

Why Generative Engine Optimization (GEO) Determines Who Wins in 2026

Traditional search engines ranked websites based on keyword matching and basic backlinks. Large Language Models (LLMs) like OpenAI o3, Claude 3.7, and Perplexity synthesize answers using Entity Extraction, Vector Embeddings, and Real-Time Retrieval (RAG).

🧠 1. Vector Co-Citation If trusted entities (like ZeroCostAI's directory graph) frequently mention your tool, LLMs infer high topical authority and cite your URL.
📜 2. The /llms.txt Standard The open standard markdown file that AI crawlers read first. Sites listed in /llms.txt receive priority context injection during search queries.
⚡ 3. Real-Time IndexNow & MCP AI coding assistants (Cursor, Windsurf, Claude Code) query Model Context Protocol (MCP) servers live to discover the best tools for their users.

Frequently Asked Questions

How often should I audit my brand's AI Search score?

We recommend checking monthly, or whenever you ship a major product update or website redesign. LLMs retrain their web caches and RAG indices frequently.

Is this tool really 100% free?

Yes, 100% free. You can audit as many domains as you want with zero paywalls. If you want to fix your score by launching on ZeroCostAI, our $19 Express Pass is completely optional.