The data layer is the central unit to define basic data of a website and make it available for tracking. Whoever for the first time uses the Data Layer of the Matomo Tag Manager via the console, but otherwise only with the Google Tag Manager is familiar, the desired result will most likely not be displayed. Unlike the Google Tag Manager, the Matomo Tag Manager cannot be accessed by typing the assigned variable name in the developer console. With the Google Tag Manager applies: In the develope...