ARTICLE
How AI Search Engines Find and Rank Websites
What ChatGPT, Perplexity, and Claude look for when deciding which websites to cite. Practical steps to improve your AI search visibility.
Mar 29, 20264 min read
AI search is the new front door
Traditional SEO optimizes for Google's algorithm. AI search optimization — sometimes called GEO (Generative Engine Optimization) — optimizes for language models that synthesize answers from multiple sources.
When someone asks ChatGPT "what's the best website audit tool for agencies?" or Perplexity "how do I improve my site's SEO score?", these models don't show ten blue links. They generate a direct answer, often citing specific sources. Your goal is to be one of those sources.
How AI search crawlers work
AI search engines use web crawlers to index content, similar to Google. The major ones:
- GPTBot and ChatGPT-User (OpenAI) — powers ChatGPT search
- ClaudeBot and Claude-SearchBot (Anthropic) — powers Claude's web access
- PerplexityBot — powers Perplexity's search and citations
These crawlers read your site and feed the content into their models. When a user asks a relevant question, the model may cite your content in its answer — if your content is clear, authoritative, and well-structured.
Keep reading
Preparing Your Clients for GEO
Generative Engine Optimization is the next frontier for agencies. How to prepare your clients for AI-powered search before competitors catch up.
How to Get Cited in Perplexity Search Results
Perplexity uses different citation criteria than Google or ChatGPT. What gets cited, what doesn't, and the patterns that consistently produce citations.
What We Know About ChatGPT Search Ranking Factors
ChatGPT Search uses different signals than Google. What's confirmed, what's inferred from citation patterns, and what to optimize as a content producer.