CHAPTER 4

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Testing Your Implementation

She generally gave herself very good advice, (though she very seldom followed it).

—Lewis Carroll, Alice’s Adventures in Wonderland

That Publish button is really enticing in Google Tag Manager (GTM), but you should know what you’re about to do before you click it. This chapter explores the testing and publishing process in GTM, as well as testing and evaluating data accuracy in Google Analytics to ensure that you’ve set up your tags correctly.

Publishing in Google Tag Manager

You can set up a collection of tags, triggers, and variables in your container. Until you deploy them using Tag Manager’s publishing ...

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