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Dive into multiple domain (Cross/Sub) tracking, implementing Ecommerce and Enhanced Ecommerce, setting up Event tracking, and Universal Analytics code.
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cross domain tracking

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# 1
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one of our customers is an owner of a hotel. For this hotel he has the following website:


If someone would like to book a room on this website, the person will be redirected to an external provider (Caesar-Data). The website from this provider is imbedded into the hotel owners website with an iFrame.


On the main website ( as well as on the site from the external provider (Caesar-Data) I integrated the same Google Analyics-Code.


So far I am working without cross domain tracking as mentioned in the following article:


Can you tell me, what disadvantages I will have if I do not use the cross domain tracking?


In my opinion the tracking based upon both domains works perfectly even without the cross domain tracking.

1 Expert replyverified_user

Re: cross domain tracking

Top Contributor
# 2
Top Contributor
Hi Christine,

You need cross domain tracking if you want to track user activity in a single session when they are moving across the domains. Without cross domain tracking when they move to the other domain GA will treat them as a different user and it starts a new session. So you will lose the information associated with the user. When someone books a room you won't know if they came from a paid search or organic source. Hope this helps.

Arnold Majlath, Google Analytics Top Contributor
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