AI Search does seem to prefer structure judging from the way they return the prompts, which means that the easier it is for AI Search to retrieve content the more structured the content is.
In AI search, structure is signal.
Semantic HTML is one of the clearest signals you can give 👇 https://t.co/xRsUIxSfsn. pic.twitter.com/vMhT6IPA2o— Semrush (@semrush) July 23, 2026