To Add Google tag manager, open website configuration and follow these steps. See below screenshots.
Click on customise button to open website configuration.
Once you open the configuration, click on “Web Index” option in side bar menu.
Once you are on web index page there are many options to set as per your configuration like:
- Title
- Description
- Key words of main page
- Meta Image
- Canonical Links
- Loading message on website
- Google Tag Manager
- Facebook Pixel id
- Google site verification or some other scripts
- Change payment gateway.
Once you done your changes click on Update button on top right corner and then after this click on Publish button to publish your changes on website.