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Can I ask how easy is it to install Google Analytics/Tag Manager into TAO Core? (I don't have access to the code/platform and work via a support team so cannot check the setup of files etc myself)
You could essentially edit the templates of the extension you want to monitor. You would, however, lose all your changes when upgrading TAO. The proper way would be to write an extension that adds the GA/GTM code.
I've read it