구조화데이터

ChatGPT, Perplexity, and Google AI Overviews get company names, founding years, products, and prices wrong. The answers have no edit button, so the repair runs through the evidence layer: your own schema, Wikidata, and third-party pages. Five steps, with a verification method for each.

A side-by-side comparison of the four major AI shopping recommendation platforms: ChatGPT, Perplexity, Gemini, and Google AI Mode, covering data sources, conversion rates, and optimization levers. One page to decide where to put your GEO budget first.