Convert JSON-LD to JavaScript for Google Tag Manager (GTM Schema Fix)

Опубликовано: 18 Июнь 2026
на канале: Short Hills Design
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Want to learn how to convert JSON-LD into JavaScript for use in Google Tag Manager (GTM)? In this quick tutorial, Dr. David Wank from Short Hills Design walks you through converting your LD+JSON schema markup into a usable JS snippet so it can work inside GTM using a custom HTML tag.

This solution helps solve the issue of GTM not supporting raw JSON-LD directly anymore. Perfect for SEOs, developers, and marketers who want to ensure schema is working correctly and validating in Google’s tools.

What you’ll learn:
Convert JSON LD schema into a JavaScript function
Use structured data within Google Tag Manager
Avoid plugin limitations by manually controlling schema

💡 Pro Tip: Always test schema using Google’s Rich Results Test to ensure it’s indexed properly.

TIMESTAMPS:
======================
00:00 – Intro: Convert JSON-LD for Google Tag Manager
00:05 – Why JSON-LD Doesn't Work Natively in GTM
00:24 – How to Wrap JSON-LD in a JavaScript Function
00:47 – Copy and Paste Your Schema Markup into the JS Template
01:02 – Add JSON-LD Schema via Custom HTML in GTM
01:06 – Test GTM Schema in Google Rich Results Tool
01:12 – Final Thoughts and Schema Validation Tips


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