: Do I need to pass my website URL in Google Analytics? I have just noticed that google analytic is providing analytic code with following parameter : ga('create', 'UA-XXXXXXXX-X', 'auto'); But

@Odierno851

The third parameter in the create method sets the domain to which the GA cookie will be applied. If it is set to auto, then the cookie will be set at the highest domain name possible. Alternatively, you can set it explicitly by providing the domain name yourself.

In your example with "www.example.com", if you set the cookie parameter to auto (which just evaluates to window.location.hostname), then GA will set the cookie domain to "example.com". But if you explicitly set it to "www.example.com", then GA will set the cookie domain to "www.example.com".

You can read more about this here: developers.google.com/analytics/devguides/collection/analyticsjs/domains?hl=en#auto

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