Structured Data, Explained
Structured data gives AI systems a direct, machine-readable description of a business's facts, rather than requiring them to infer meaning from prose alone.
Structured data, most commonly implemented using the schema.org vocabulary, is a way of describing a page's content in a standardised, machine-readable format that sits alongside the normal human-readable content of a site.
For AI visibility specifically, structured data matters because it removes the need for an AI system to infer facts from prose, giving it a direct, unambiguous source of truth about what a business is, does, and offers.
What structured data actually is
Technically, it is a block of code (commonly JSON-LD) embedded in a page that describes its content using a standard vocabulary machines can parse directly, describing things like an organisation's name, address, services, and reviews in a predictable, structured way rather than as free-form text.
Which schema types matter most
For most businesses, Organisation or LocalBusiness schema (core business facts), Service schema (specific offerings), and FAQ schema (question-and-answer content) provide the most direct value for AI visibility, giving AI systems a clear, structured foundation to draw on.
Why prose alone is not enough
A page can read perfectly clearly to a human while remaining genuinely ambiguous to a machine parsing it without structured data. Marketing language, in particular, often prioritises persuasive phrasing over the plain factual statements a machine needs to parse confidently.
Practical takeaways
- Implement Organisation or LocalBusiness schema with complete, accurate details.
- Add Service schema for each distinct offering, not just a general description of the business.
- Use FAQ schema on pages that genuinely answer common customer questions.
- Validate your schema using a structured data testing tool after implementation, not just visually.
Common questions
Do I need structured data if my content already reads clearly to a person?
Yes. Human-readable clarity and machine-readable structure are different requirements, and a page can satisfy one without the other.
Is structured data visible to site visitors?
No, it is embedded in the page's code and read by machines, not displayed directly to human visitors, though it can influence what they see in search results (like rich snippets).
How much structured data is enough?
It depends on the business, but complete Organisation and Service schema, plus FAQ schema on question-driven pages, covers the foundational requirement for most businesses.
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