Ask the engines yourself.

10 prompts for testing visibility in AI assistants by hand.

• Visibility check across a paraphrase cluster (ChatGPT, Claude, Gemini, Perplexity, Copilot)
• Fan-out discovery (what sub-searches does the AI run?) (Copilot (shows real queries), Gemini, Claude, ChatGPT, Perplexity)
• Source map (which third-party pages get cited?) (ChatGPT, Perplexity, Gemini, Google AI Mode, Copilot, Claude)
• Competitor named instead (who wins, and why?) (ChatGPT, Claude, Gemini, Perplexity, Copilot)
• Wrong-facts audit vs your fact sheet (ChatGPT, Claude, Gemini, Perplexity, Copilot (search on and off))
• On-page quotability audit of a URL (ChatGPT, Claude, Perplexity (any engine that can open a URL))
• Eligibility self-check (can each assistant read your site?) (ChatGPT, Claude, Perplexity, Gemini, Copilot)
• Local business audit (service × town grid) (ChatGPT, Google AI Mode / AI Overviews, Gemini, Perplexity, Copilot)
• Product / commerce feed readiness (ChatGPT (shopping), Google AI Mode, Copilot, Perplexity, Amazon Rufus / Alexa for Shopping)
• All-in-one master audit (Best in a thinking/research mode of ChatGPT, Claude, Gemini or Perplexity)

Machine-readable: /api/prompts