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Cross-domain it is not necessary for subdomains

Hi all,

 

We have setted up the cross-domain tracking by following the instructions of this link:

https://community.tealiumiq.com/t5/Tags/Setting-Up-Google-Universal-Analytics-Cross-Domain-Tracking/...

cross-tracking domains: example.com,another-example.com

cross-domain tracking: on

 

But we have noticed that the links are being decorated also when the URL goes to another subdomain:
www.example.com to booking.example.com.

I think this is not necessary with Google Universal Analytics.
Are we missing anything in our configuration?

Thank you.

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Visitor
Posts: 21
Registered: ‎09-22-2015

Re: Cross-domain it is not necessary for subdomains

[ Edited ]

@vicente_peris, as I understand it, it depends on the site security policy on that website - some will accept 1st party cookies for the parent domain, some will only accept 1st party cookies for that exact server. 

Tealium Employee
Posts: 113
Registered: ‎09-01-2015