To add the Bytes Route code to Google Tag Manager, log in to your GTM account and select the appropriate container for your site.
Step 1: Under New Tag, Click to Add a new tag
Step 2: Open tag configuration and “Choose tag type” > Custom HTML.
Step 3: Paste your code to the HTML text area.
Step 4: Open trigger configuration and select “All Pages”.
Step 5: Save the created tag.
Step 6: Publish this change by clicking on the Submit button.