Use the result to make the next technical decision.
Confirm that JSON-LD exists in the delivered HTML, parses as JSON and declares the schema types you expected before search-engine-specific validation.
SEO markup
Check the JSON-LD the server actually sends.
Inspect structured-data blocks in the bounded public HTML response and surface syntax validity and declared types.
Result
Diagnostic result
Read observations in context.
The checker summarizes syntax and declared types; it does not claim eligibility for a Google rich result. Search engines apply feature-specific properties and quality policies.
Marketing analytics never receive the target.
DotMoose records only the tool name and a coarse success/error outcome for marketing analytics. Active server diagnostics use bounded operational security logs without placing the entered domain, IP, URL, DNS answer or report contents into marketing telemetry.
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