Validation
Field guideStructured Data Inspector
Validate JSON-LD schema markup for SEO compliance. The Structured Data Inspector parses semantic code to identify errors before deploying to production.
What this tool does
A rigorous validation tool for JSON-LD schema markup. Parse semantic code, identify syntax exceptions, and verify search engine compliance before deploying to production.
When to use: Before launch, after editing a CMS template, or when a Google rich result isn't showing up and you don't know why.
Validate a URL
We fetch the page through our CORS proxy, parse it, extract every JSON-LD block and Microdata item, and report on each one.
Field guide
Operating notes for this tool
When to run it, how to read the output, and the common failures you can fix in 30 seconds.
FAQ
Common questions about JSON-LD, Microdata, and what this validator actually checks.