How do I track leads that come from ChatGPT or Perplexity?

Track them in three layers, because no single method catches everything. In GA4, referral traffic from chatgpt.com, perplexity.ai, copilot.microsoft.com, and gemini.google.com shows up as its own source, so build a segment or exploration for those hosts and mark form submissions and calls as key events.

Second, use call tracking with a dynamic number so phone leads inherit the same source. Third, add a how did you hear about us field to your booking form with an AI assistant option, since many buyers ask ChatGPT for a recommendation and then type your name into Google, which lands in your reports as branded search rather than AI.

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