A related issue in Google Tag
Script placement differences between 1.x and 2.x
https://www.drupal.org/project/google_tag/issues/3451427
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Script placement differences between 1.x and 2.x
Active
adanbouzoua → changed the visibility of the branch 3451427-script-placement-differences to hidden.
adanbouzoua → made their first commit to this issue’s fork.
Update
The previous test was done with Google Tag Version: 8.x-1.6 and Datalayer 2.0.1
Changing Google Tag Version: 8.x-1.6. >> Version: 2.0.2 fix the issue
Conclusion: Datalayer 2.0.1 + Google Tag 2.0.2 has no issue. The module works with Google Tag version 2 but not with Google Tag version 8
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dataLayer.push allows the snippet elsewhere than inside .
It seems that it has been implemented on Google Tag 2.0.2 but not 8.x-1.6
Data Layer declaration vs dataLayer.push
By adding a dataLayer snippet above the GTM container snippet. This step is called “Data Layer declaration”.
Or by pushing data with dataLayer.push method.
https://www.analyticsmania.com/post/what-is-data-layer-in-google-tag-man...
The version 2.0.0 has not bug related to snippet placement.
The bug was introduced with the version 2.0.1
adanbouzoua → created an issue.