1.3. Theoretically about Preview and Submit (and Publish) in Google Tag Manager

Preview and Submit, then Publish can be done after adding some analytics tools through Google Tag Manager. Technically you can do it even without, but it’s pointless. So here I will tell only briefly about it. But to real implementations stay tuned, because I am going to make videos with adding tracking codes of different tools through Google Tag Manager.

Let's Google Tag Manager! - https://rumble.com/playlists/AItzYXkWWqg
Let's blogspot.com - https://rumble.com/playlists/SW38JLiRAMo

Sources:
. my experience
. Google Tag Manager Tutorial (15-Minute Quick-Start) https://www.youtube.com/watch?v=AsYrvxfl-D4
. Google Tag Manager tutorial for beginners (2025) || GTM Course https://www.youtube.com/watch?v=JeFPvUehQ-E