I have not tested this, but these are the most popular Drupal plugin:
- org/project/google_tag (2,363 installs, last updated 2 weeks ago: 2th Dec 2014)
- org/project/datalayer (100 installs, last updated 2 weeks ago: 2th Dec 2014)
{ “drupalLanguage”: “en”,
“userUid”: “555”,
“entityId” : “123”,
“entityLabel” : “My Cool Page”,
“entityType” : “node”,
“entityBundle” : “article”,
“entityUid” : “555”,
“entityTaxonomy” : {
“my_vocab” : {
“25” : “Term Name”,
“26” : “Another Term”
} } }
- org/project/commerce_google_tag_manager (61 installs)
The Drupal has a native JS api that can also be piggybacked: