AI governance · 11 min read
Schema Markup: Structured Data for SEO and AI
Structured data should describe the visible reality of a page and connect entities consistently. It is a machine-readable evidence layer—not a place to claim services, reviews or attributes users cannot verify.
Start with page purpose and visible entities
Choose types that match the primary page: Article for editorial content, Product for a purchasable product, Service for a defined service and Organization for the business entity.
Do not add every possible schema type to every page. Precision is more useful than volume.
Build a consistent entity graph
Use stable @id values to connect the website, organization, author, service, article and breadcrumb entities. Keep names, URLs, logos and identifiers consistent with visible content and trusted profiles.
- Canonical absolute URLs
- Stable entity identifiers
- Correct publisher and author relationships
- Visible claims only
- One coherent source of generated metadata
Implement JSON-LD from source data
Generate structured data from the same content model that renders the page to reduce drift. Escape values safely and avoid manually duplicated JSON across many templates.
Respect feature-specific requirements
Eligibility for rich results depends on supported types, required properties, page quality and current search policies. FAQ markup, for example, does not guarantee an enhanced result and should represent questions visible on the page.
Validate syntax and meaning
Use schema validators and rich-result tools, then inspect rendered production pages. Add automated tests for required fields, canonical agreement and invalid combinations. Recheck after template changes.
Frequently asked questions
Does schema markup directly improve rankings?
It is not a general ranking boost. It helps search systems understand entities and may enable eligible enhanced results.
Is JSON-LD the preferred format?
It is generally the easiest format to generate and maintain, provided it accurately matches visible page content.
Should FAQ schema be placed on every article?
Only when genuine questions and answers are visible and the markup complies with current search guidelines.