Hello GTM & Data layer is a modern, powerful and quick solution to add Google Tag manager script right away. It rids you from the hassle of editing your theme’s code to integrate your store to the Google Tag Manager. Thus, this app lets you track a whole lot of data through Google Tag Manager.
In case you are not familiar with Google Tag Manager, it is a useful platform that comes for free and makes marketing tags management on your website much easier and convenient by storing all your tags in one place. So, you can alter and update the tags for conversion tracking, site analytics, remarketing, and more without implementing a complicated code on your website and hence deploy tracking codes faster by yourself without the help of a developer.