Google Tag Manager (GTM) is an extremely powerful tag management system that allows you to add and update website tags without having to touch your site or mess with code! Once you've integrated your GTM account with your FMG Suite website, you can simply log in to your GTM account to add and update tags such as Google Analytics, Google AdWords and other page-level and site-wide tracking pixels.
To integrate your Google Tag Manager account, you'll first need to navigate to Website >> SEO:
On that page, you'll find a Google Tag Manager section:
Simply enter your GTM Tracking ID, and click "Publish" to make your changes live. (These changes will not generate a compliance case - they will go live immediately!)
Below are some helpful resources: