PILLAR 4, AUTHORITY NETWORK · 4.1 Structured data validityHighVerified

Invalid JSON-LD syntax

What it is

Malformed JSON-LD.

Why it matters

Broken markup can’t be parsed; no rich-result eligibility.

How to fix it

Fix JSON; validate with Rich Results Test.

Impact

Medium-high for rich results. Direct.

Evidence

Structured data must be valid to be used. Google Search Central, Structured data general guidelines; Google Search Central, Structured data markup that Google Search supports