Easily add Google Tag Manager code to your site and use it only when site is switched to "Search Engine Visibility".
Allows admins to add Google Tag Manager code to your site and use it only when site is switched to “Search Engine Visibility”.
Use Settings->Reading: check/uncheck “Search Engine Visibility” and add code to “GTM code fields”.
/gtm-code-visible
folder to /wp-content/plugins/
directory