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
Keep this window open while completing the Shopify steps as this is a two step process.
Copy the code in the top box using the copy icon on the right
The second step is made in your Shopify Admin
Log into your Shopify admin
Navigate to Online store -> Themes
In the theme drop-down, click Edit Code
Open your theme.liquid file
Paste the first code snippet you have copied from Google Tag Manager (labelled as step 1 in the instructions above) as high in the <head> of the theme.liquid code as possible.
Now go back to Google Tag Manager and copy the code labelled as step 2
Paste the code snippet as high in the <body> of the theme.liquid page as possible.
In your Shopify admin, click Save.
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