Trustable AdMob Plugin for Cordova, Capacitor, Ionic
Unlike some other plugins, this plugin does not share your advertising revenue by randomly display developer's owned ads.
Except Google provided AdMob SDKs, every line of code are on Github. You don't risk to execute compiled binary.
Do not send your application information to a remote server to control whether ad could be displayed. Therefore, you don't lose revenue because some server bugs.