
Darlene Killen writes The Visible Practitioner, a Substack documenting Generative Engine Optimization (GEO) and AI visibility for small businesses, tested live on her aromatherapy newsletter MoonInMental.
| Platform | Pricing | Only free issues | Publishes | Twice weekly | |
|---|---|---|---|---|---|
| Issues | 36 | Founded | 7 months ago | Last Issue | 10 days ago |
| Active | |||||

The Visible Practitioner: building the category list that AI engines could not find.
Last week I asked ChatGPT, Perplexity, Gemini, Google AI Mode, and Claude one thing. Is there a Substack about astrology and aromatherapy. Not one of them...
The Visible Practitioner cold retest: thirty questions, four mentions, dated and on the record.
On June 12 I asked five AI tools about my own business. ChatGPT, Perplexity, Gemini, Google’s AI search, and Claude. Six question...
The Visible Practitioner: testing what AI actually recommends, not just what it repeats back.
ChatGPT, Claude, Gemini, Google AI, Perplexity had no idea my business existed. So I fixed it. Or I thought I did.
I ran the whole setup that’s...
TL;DL
I tested one private sailing charter the way a real customer shops. Eight searches, three engines, 24 runs across ChatGPT, Google AI Mode, and Claude.
The scores split: ChatGPT found it once, Google four times, Claude three....
21 days ago, ChatGPT had no idea Lifting The Mood existed.
Today? It shows their full product lineup with prices.
Same story on Gemini. Same on Claude.
Google? Built them an info panel from scratch.
The Visible Practitioner: 21 days...
Subscribers, engagement, traffic and sponsorship for The Visible Practitioner.
| Subscribers | Engagement | 65 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
The writers behind this newsletter.
Darlene Killen writes two Substacks: MoonInMental, an evidence-based, trauma-informed aromatherapy newsletter for nervous system regulation, and The Visible Practitioner, on GEO and AI visibility for small businesses. Featured in Homes & Gardens.
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