Schema markup helps search engines understand a page, but it is not a citation lever for AI answers. An Ahrefs study published 11 May 2026 measured +2.4% in AI Mode, +2.2% in ChatGPT and -4.6% in AI Overviews. We cap schema at medium severity and 1 impact point.
Ahrefs compared 1,885 pages that added schema with 4,000 control pages.
| Surface | Change after adding schema |
|---|---|
| AI Mode | +2.4% |
| ChatGPT | +2.2% |
| AI Overviews | -4.6% |
Keep valid Organization, Product and Article schema for search engines. Spend the effort on making the visible text reach AI agents.
It can help search engines parse a page. The data does not show it as a lever for AI citations.
Updated 2026-10-13. Sources: Ahrefs schema study, 11 May 2026 (n=1,885 treated, 4,000 controls)
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