Why do I have a doubleclick.net tracker on my site?

I just found out that Safari sees an doubleclick.net tracker on my site.

I don’t know where that comes from and how to find and remove it. Suggestions?

Or is it because of Ecwid (I have that on my site)?

With my knowledge of Sparkle I would say it isn’t Sparkle at all, but…

  • Google
  • Google
  • and Google

If you follow DoubleClick you’ll see it is another recently introduced Google layer to do with combining your analytics and google tags.

Curiously, I have Google Analytics enabled for my site but I do not see a doubleclick.net tracker: