I noticed that both the gtag.js tracking snippet and Google tag manager (with GA tracking tag enabled) were placed at the same time.

Could this cause any tracking issues?

1 Answer 1


If you are using two Analytics codes in the same site (one directly in the code and another one trough Tag Manager) the consequences are:

  • Higher load time (more javascript and external calls to execute)
  • If they have the same UA, you will lose real information about bounce rate, time on site or page views (you are executing two hits in every interaction).

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