We ran an experiment. We asked ChatGPT 'who are the best [category] brands?' across 100 different product and service categories. Then we looked at what the cited brands had in common.
The pattern was striking. Across almost every category, three or four brands captured 80% of the citations. The rest -- hundreds of legitimate competitors -- barely appeared.
It wasn't about brand size. Some of the most-cited brands are mid-market. It wasn't about ad spend. ChatGPT doesn't know your media budget. It wasn't about Google rankings.
The brands that dominated had structured data. They had llms.txt files. They had strong E-E-A-T signals -- named experts, verified credentials, review schema, publication history. They had clean AI crawler access. And they had content that directly answered the questions AI models are trying to answer.
The brands that were invisible had none of those things. Great products. Real customers. Totally absent from AI answers.
AI citations are not democratically distributed. They concentrate at the top of the AEO signal stack. The brands that nail the fundamentals get cited everywhere. The brands that don't get cited nowhere.
The good news: the signal stack isn't complicated. Most brands can implement the fundamentals in a week. The bad news: every week you wait is a week the competition widens.
Find out where you rank in your category's AI citation stack. Free score at engagemii.com/aeo.
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