Add link here to setting up tag manager in google omnivore article etc
The first step is made in your Google Tag Manager account
Log in to your Google Tag Manager account at https://tagmanager.google.com/#/home
Click the Cog shape to the top right of your relevant Tag Manager instance
Click Install Google Tag Manager
Copy the code in the top box using the copy icon on the right
The second step is made in your BigCommerce account
Log into BigCommerce then go to Advanced Settings -> Web Analytics. Click on the Google Analytics tab and paste the copied code into the text box as pictured
Click Save
How to check if GTM code is present on your website
The easiest way to verify that Google Tag Manager code is present on your website is to check the source code of your BigCommerce Store frontend.
On the homepage of your website right click -> view page source and search for “Google Tag Manager.” If Google Tag Manager has been added successfully, you will see code similar to this: