| name | structured-data |
| description | Use when auditing metadata, crawlability, structured data, or indexability related to Add structured data markup. Verify the rendered HTML and HTTP response rather than relying only on source files. |
| metadata | {"category":"seo","priority":"high","difficulty":"intermediate","estimatedTime":"25","source":"frontendchecklist.io","url":"https://frontendchecklist.io/en/rules/seo/structured-data"} |
Add structured data markup
Structured data enables rich snippets with stars, prices, images, and FAQ dropdowns in search results—significantly increasing click-through rates.
Quick Reference
- Structured data enables rich snippets in search results
- Use JSON-LD format (Google recommended)
- Common types: Article, Product, FAQ, HowTo, LocalBusiness
- Validate with Google Rich Results Test
Check
Analyze if this webpage implements structured data using Schema.org vocabulary. Check for JSON-LD, Microdata, or RDFa markup.
Fix
Add appropriate Schema.org structured data to this webpage based on its content type (Article, Product, LocalBusiness, etc.).
Explain
Explain how structured data helps search engines understand page content and enables rich snippets in search results.
Code Review
Review metadata generation, rendered HTML, structured data, and response headers related to Add structured data markup. Flag exact routes or templates where search-facing output violates the rule, and describe how to verify the final page output.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/seo/structured-data
