Useful split between position and presence. One pitfall when you add the prompt-set layer: AI answers vary run to run, so a single check can mislead. Run each prompt 3 times and report the mention rate (e.g. 2 of 3) rather than yes/no, and keep the prompt wording frozen month to month so the trend is comparable. In GA4, a custom channel group matching referrers like chatgpt.com, perplexity.ai and gemini.google.com keeps AI visits separate from generic referral. For the client report, one extra column that helps: which competitor was named when you weren't. It tells the content team exactly which comparison page to write next.