app/code/Magento/GoogleAnalytics/README.md
This module implements the integration with the Google Analytics service.
Before installing this module, note that this module is dependent on the Magento_Store module.
Before disabling or uninstalling this module, note that the Magento_GoogleOptimizer module depends on this module.
For information about a module installation, see Enable or disable modules.
Extension developers can interact with the Magento_GoogleAnalytics module. For more information about the extension mechanism, see Plugins.
The dependency injection mechanism enables you to override the functionality of the Magento_GoogleAnalytics module.
A lot of functionality in the module is on JavaScript, use mixins to extend it.
This module introduces the following layouts in the view/frontend/layout directory:
defaultFor more information about a layout, see the Layout documentation.