Research
Chapter 7 of the AI Shopping Visibility Study 2026. The two collections, the de-duplication rule, the product-card definition for each engine, how brands were resolved and cited domains typed, the query and answer features, the statistics and confidence labels, what Study 1 and Study 2 can be compar
Research
Chapter 6 of the AI Shopping Visibility Study 2026. A public changelog: eight corrections to numbers AEOsome published between April and October 2026, what the re-analysis found, why the originals were wrong, which live posts were updated, and the versioning rule every published figure now follows.
Research
Chapter 5 of the AI Shopping Visibility Study 2026. Ten findings that were not in the research questions: the same question asked twice flips ChatGPT's product card 42% of the time; cards do not come from the cited pages; Perplexity's shelf is a different merchant network; named brands lose a third
Research
Chapter 4 of the AI Shopping Visibility Study 2026. Logistic and gradient-boosting models of when a product card appears on ChatGPT, Google AI Mode, Copilot and Perplexity; which brands reach ChatGPT's carousel; what takes rank one inside a carousel; confidence intervals and multiple-comparison test
Research
Chapter 3 of the AI Shopping Visibility Study 2026. Product-card rates, brand concentration, citation mix, price and review profiles for seven categories and 35 subcategories on four AI engines, which brands win each funnel stage in each category, and women's dresses against the seven. 14 figures, 2
Research
Chapter 2 of the AI Shopping Visibility Study 2026. The same 5,583 shopping questions on four AI engines: how often they agree on showing products, how little their shelves overlap, each engine's personality, Perplexity's search rewrites, which ChatGPT model answered, and ChatGPT across two studies.
Research
Chapter 1 of the AI Shopping Visibility Study 2026. For each of nine shopping intents, from problem recognition to post purchase: how often ChatGPT, Google AI Mode, Copilot and Perplexity show product cards, which brands and merchants fill them, who gets cited, and how the answer is shaped. 16 figur
Research
A research study of 30,855 AI shopping answers on ChatGPT, Google AI Mode, Microsoft Copilot and Perplexity: when product cards appear, which brands fill them, who gets cited, and what predicts it. Ten findings, 14 figures, seven chapters.