CHECK GLOSSARY · SCHEMA-003

Broken JSON-LD syntax

In plain words: One bad comma voids the entire markup block, every type on the page is ignored.

How to fix it

Validate in the Rich Results Test and fix the syntax error.

Official sources

• Google: Structured data

Related checks

• MIXED-001: Mixed content
• SCHEMA-002: Schema missing required fields
• TRAIL-001: Duplicate URL variants
• ANCHOR-001: Generic anchor text

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