TL;DR
Key Definition
Schema markup (schema.org) is JSON-LD code added to your pages to explicitly describe content such as articles, FAQs, products, and organizations. It improves rich snippets and helps AI extract precise information.
Importance
Why Does It Matter?
- Improves rich snippets in Google
- Helps AI understand content structure
- Facilitates precise information extraction
- Strengthens AI Overview eligibility
- Universally recognized standard
How Does It Work?
Schema markup adds a layer of structured metadata to your HTML.
JSON-LD Format
The recommended format is JSON-LD, a script inserted in the page head containing structured data.
Common Types
FAQPage, HowTo, Article, Product, Organization, BreadcrumbList are the most used types for GEO.
Metrics
How Do You Measure It?
- Validation with Google testing tool
- Rich snippet appearances
- Errors in Search Console
- CTR of pages with schema vs without
Pitfalls
What Are the Common Mistakes?
- Implementing incorrect or incomplete schema
- Marking content not visible on page
- Forgetting to validate after implementation
- Not updating when content changes
What Should You Do First?
Follow these steps to get started.
- Identify relevant schema types for your pages
- Implement FAQPage on pages with FAQ
- Add BreadcrumbList for navigation
- Use Article for editorial content
- Validate with Google Rich Results tool
- Monitor errors in Search Console
Examples
FAQPage Schema
Adding FAQPage schema to your glossary allows Google to display questions directly in results.