Analyzer Schema.org
Check a page or paste JSON-LD. Preview and diagnostics come first; the JSON code is shown last.
Structured data improvement
A separate improved version. The original JSON-LD remains unchanged.
Only data from the current JSON-LD and page will be used.
The service will not invent these values.
Separate version — the original code is unchanged.
Comparison
Possible search appearance and differences between Google and Yandex checks.
Errors and warnings
Issues that may prevent structured data from being processed correctly.
Recommendations
What can be added or improved without inventing data.
databasePage data sources0 JSON-LD
Existing structured data
Original JSON-LD
The code is shown last. You can edit, copy, or download it.
How to read the analysis
The service first detects the primary page entity and builds the comparison. Issues highlight critical missing data, recommendations show safe improvements, and the improvement tab creates a separate JSON-LD version without overwriting the source.