The bug that affected Doubleclick on Tuesday, mainly in Europe, also affected Adwords, Google confirmed today, after solving the issue: “the problem with AdWords should be resolved.”
According to Google the tags for tracking were loading slowly and some remarketing lists were not collecting data.
Here the statement from Google:
“An issue in Google’s ads infrastructure resulted in AdWords tracking fewer than expected conversions and conversion tags loading slowly on Tuesday, March 13. Additionally, some remarketing list data was not collected during this time. The issue has been resolved and all services are now functioning normally.”