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json-ld-valid

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Use when generating or auditing any `<script type='application/ld+json'>` blocks, implementing structured data for articles, products, FAQs, breadcrumbs, or local businesses, or investigating why rich results are not appearing in Google Search Console.

skills/json-ld-valid/SKILL.md

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# Use valid JSON-LD structured data

Invalid JSON-LD is silently ignored by Google — there are no error messages in search results, only the absence of rich results. Invalid structured data means no eligibility for rich results (stars, FAQs, breadcrumbs, etc.) that increase click-through rates.

## Quick Reference

- JSON-LD must be valid JSON, reference `@context: 'https://schema.org'`, and include all required properties for the chosen `@type`
- Invalid JSON (unclosed brackets, missing commas) causes the entire block to be silently ignored by Google
- Validate with Google's Rich Results Test before deploying structured data changes

## Check

Find all `<script type='application/ld+json'>` elements on the page. For each: (1) Attempt to parse the content as JSON — flag syntax errors. (2) Verify `@context` is set to `'https://schema.org'`. (3) Verify `@type` is a valid schema.org type. (4) For the detected type, check required properties are present (e.g., Article requires `headline`, `author`, `datePublished`; Product requires `name`; FAQPage requires `mainEntity`). (5) Run through Google's Rich Results Test API if available.
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