11 Technical Signals That Determine If AI Search Engines Can Find Your Website

Google sends you a link and lets you click. ChatGPT, Perplexity, and Gemini read your site for you and decide whether to mention it at all. That distinction changes everything about technical SEO. I spent the last few months reverse-engineering how AI search engines discover, evaluate, and cite websites. The result is a list of 11 concrete technical signals you can audit today. No fluff — just the checks that matter and the fixes that work. How AI Search Discovery Actually Works Traditional search engines crawl your pages, index keywords, and rank links. AI search engines do something fundamentally different: They crawl with their own bots (GPTBot, PerplexityBot, Google-Extended) — separate from Googlebot They compress your content into embeddings stored in vector databases They retrieve relevant chunks at query time via RAG (Retrieval-Augmented Generation) They synthesize answers and may or may not cite the source If your site blocks these bots, lacks structure, or is too slow to craw