To connect to AdSense, first you need to verify the domain ownership. There are multiple ways how to verify web app ownership when connecting to AdSense, as below:
The easiest one would be to add the code snippet provided from AdSense directly to your WebApp. You can write the prompt such as:
Add this code snipped to all pages between the
<head>and</head>tags
Instead of all pages, you can write the pages where you would like to add it as well. Result example below:
And you should be good to go!
