Key Takeaways
- Schema markup describes your content in a machine-readable format, usually JSON-LD.
- Organization, LocalBusiness, Service, Article, BreadcrumbList and FAQPage cover most business websites.
- Schema must match visible page content; misleading markup can be ignored or penalised.
Search engines are good at reading text, but structured data removes ambiguity. Schema markup tells Google and AI systems exactly who you are, what you offer, where you are and what each page is about. It can enable rich results and supports visibility in AI-generated answers.
What is schema markup?
Schema markup is a standard vocabulary from schema.org added to web pages, usually as JSON-LD code. It labels entities such as your organisation, services, articles, products, reviews and FAQs.
Schema types most business websites need
| Schema type | Use on | Purpose |
|---|---|---|
| Organization | Home / about | Brand name, logo, social profiles, contact |
| LocalBusiness | Contact / location pages | Address, phone, hours, map |
| WebSite | Site-wide | Site name and search |
| Service | Service pages | Describe offered services |
| Article / BlogPosting | Blog posts | Author, dates, headline, image |
| BreadcrumbList | All pages | Site hierarchy |
| FAQPage | Pages with visible FAQs | Question-answer structure |
| Product / Offer / Review | E-commerce pages | Price, availability, ratings |
How to add schema
- Choose the right types for each page template.
- Generate JSON-LD (manually, via CMS plugins or custom code).
- Ensure details match what users see on the page.
- Validate with Google's Rich Results Test and the Schema Markup Validator.
- Monitor enhancements in Google Search Console.
Common mistakes
- Marking up content not visible on the page
- Fake or self-serving review markup
- Conflicting business details across pages
- Leaving outdated prices or availability
- Duplicate, inconsistent Organization entities
Schema and AI search
While no markup guarantees citation in AI answers, structured data helps machines understand entities and relationships, supporting AI search visibility. Note that Google shows FAQ rich results only for limited types of sites, but FAQ structure still helps clarity.
Schema is one item on the business website checklist.
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Frequently Asked Questions
What is schema markup in SEO?
Schema markup is structured data added to web pages to help search engines understand content and potentially display rich results.
Does schema markup improve rankings?
Schema is not a direct ranking factor, but it can improve how pages appear in results and help search engines and AI understand content.
What is JSON-LD?
JSON-LD is a script-based format for adding structured data, recommended by Google because it is easy to implement and maintain.
How do I test schema markup?
Use Google's Rich Results Test and the Schema Markup Validator, and monitor Search Console enhancement reports.
