Schema Markup Checker
Validate and debug structured data markup for accuracy and search engine compliance.
Definition (WHAT)
A schema markup checker validates structured data code (such as JSON-LD, Microdata, or RDFa) for syntax errors and compliance with search engine guidelines. It identifies the schema types present and reports issues that could prevent rich results.
How to use this tool (HOW)
Enter a URL or paste your schema markup code.
Click the validate button to begin analysis.
Review the detected schema types and status.
Correct any reported errors or warnings in your markup.
Output meaning (INTERPRETATION)
Valid
The markup contains no syntax or property errors.
Invalid
The markup contains errors that need to be fixed.
Warnings
Non-critical issues that should be addressed for better results.
Types detected
Specific Schema.org types identified in the markup.
Tool FAQ
Is this tool free?
Yes. This tool is free to use.
Does this tool save my data?
No. All input is processed in real time and is not stored.
How often can I use this tool?
There are no usage limits.
What this tool checks (SCOPE)
This tool evaluates schema syntax, required and recommended properties, nesting structures, and vocabulary compliance.
Limitations (E-E-A-T)
Validation does not guarantee rich result display or improved rankings. This tool checks technical accuracy according to documentation and does not predict actual search engine performance or interpretation.