Update (September 2026): This post describes my earlier method, which used fixed sample-size tiers and survey margin-of-error math. I have since retired that approach. Read the current methodology, which covers precision vs. validity, breadth-first portfolio sampling, and Control vs. Discovery portfolios, in the Signals Over Noise framework. I spent months staring at AI visibility dashboards… Continue reading Your Prompt Data Is Useless: How to Measure AI Visibility With Real Numbers
