Google Tag Manager 404 GTM.JS Error

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You’ve added GTM to the Complianz Wizard, and still, you’re receiving a 404 GTM.JS Error in Google Tag Manager. We know the issue, and we have a solution for this.

Still, figuring out how to implement Complianz with Tag Manager? Refer to our Definitive Guide to Tag Manager and Complianz for detailed instructions.

The solution to GTM.JS 404 Error

The solution is one of GTM itself. What is happening is that your browser is requesting data from GTM. However, the container hasn’t been published yet. This means no data is being returned. There is a straightforward solution to this: Publish the GTM container once you create it.

How to do this?

Always follow these steps when you plan to track a new website for GTM:

  • Create new container
  • Publish it!
  • Put the GTM embed code in your website code
  • Open the JavaScript Console when browsing on your website
  • No gtm.js 404 error? Then there’s no error, and you’re good to go.

Master tip: Always publish your containers, even when they’re empty. By doing this, developers won’t receive a 404 error.

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