Are there tags that Google Tag Manager does not support?

Google Tag Manager does not support:

  • Synchronously loading tags.
  • Certain tags with snippets in the header and the footer. While you can use event based rules on gtm.load to fire some of these tags, two-part tags usually imply some need for synchronously loading tags.
  • Tags that are associated with in-page structure, such as social sharing widgets or ad serving tags.
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