New tests show that structured data does not improve AI search for web pages. Despite claims within the SEO community, recent experiments show that schedule -formatting does not benefit in the way AI models process content, which challenges previous expectations of improved rankings.
Tests reveal limits of structured data in AI search assignment
On September 15, 2025, SEO expert Mark Williams-Cook shared a test on LinkedIn, in which the idea invalidates that structured data improve AI search visibility. He explained that large language models (LLMs) such as Chatgpt and Gemini content, breaking the schedule such as “@Type”: “Organization” in individual tokens. This “destroys” the structure of the schedule, making it no different than regular text.
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As a result, LLMS ignores the schedule in their training data. The experiment of Julio C. Guevara further confirmed this. He created two product pages – one with visible text and schedule, another with only schedule. LLMS only attracted details such as Price of Sku of the text-heavy page, where the page with only schedule is ignored. These findings emphasize that AI search visibility trust visible text, no structured data. Although this could change, the current tests do not show SEO benefit of schedule in AI search assignments. Discussions about LinkedIn continue to explore this topic.
How you can test structured data for AI search for accountability
- Set test pages: Make two pages for a fictional product – one with text and schedule, one with only schedule.
- Query LLMS: Use instructions to request Gemini or Chatgpt for product details such as price or colors.
- Compare output: Check whether LLMS data from both pages extract or only the text-based.
- Research tokenization: Analyze how LLMS schedule splits in tokens to understand their limitations.
- Stay informed: Follow SEO -Forums on LinkedIn for updates about AI search visibility Trends.
These tests prove that structured data is not yet stimulating AI search visibility. SEO professionals must give priority to visible text to improve AI search performance. Become a member of the LinkedIn interview to stay up to date with future changes in AI -search dynamics.
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