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SOLVED

Adobe Marketing Cloud ID on Cross Domain Tracking

bupathi_sivab62
Level 2
Level 2

Hi,

Will AMC Visitor ID Service helps to track the cross domain tracking? or should I need to go FPC In order to do cross domain tracking.

want to track the Domain A --> Domain B. In future new requirement to track the Domain C --> Domain D, I can expect this requirement also Domain A --> Domain C --> Domain D.

not sure, if i use the visitor ID will be there be any chances of browser rejecting third party cookies?

Any Suggestion??

Thanks,

BS.

1 Accepted Solution
AlexisCazes
Correct answer by
Community Advisor
Community Advisor

Visitor ID service should serve the same MID as long as you are using same Marketing cloud ORG ID in the configuration and the demdex cookie is present.

Safari does not accept third party cookies nowadays I believe so I would say the best solution would be appendVisitorIDsTo (Cross-Domain Tracking)  .

Remember that the AMCV_ cookie is set as first party cookie always so using the solution above should work . Only demdex cookie is set as third party cookie.

FPC cookie implementation is also valid as per Bupathi advice but I prefer the solution to append the visitor IDs.

View solution in original post

8 Replies
PratheepArunRaj
Moderator
Moderator

Dear Bupathi,

In short, if browser accepts third-party cookies, tracking cross domains is possible in Marketing Cloud ID.

The link MCID cross-domain tracking will help you to understand the concept.

But if your browser reject third party cookies, FPC is the only option.

Thank You

Arun

AlexisCazes
Correct answer by
Community Advisor
Community Advisor

Visitor ID service should serve the same MID as long as you are using same Marketing cloud ORG ID in the configuration and the demdex cookie is present.

Safari does not accept third party cookies nowadays I believe so I would say the best solution would be appendVisitorIDsTo (Cross-Domain Tracking)  .

Remember that the AMCV_ cookie is set as first party cookie always so using the solution above should work . Only demdex cookie is set as third party cookie.

FPC cookie implementation is also valid as per Bupathi advice but I prefer the solution to append the visitor IDs.

View solution in original post

christiaanb3127
Level 1
Level 1

Hi Alexis Cazes Adobe - I tried using appendVisitorIdsTo() but did not have any luck. The correct MCID is not passing through on Safari. I even included it on a specific link such as the example here suggests and had the query parameter present upon page load at the second domain. The MCID was not successfully overwritten with what was in the query parameter.

Any other solutions or idea why this would happen?

AlexisCazes
Community Advisor
Community Advisor

I will need some code example to be able to help.

Do you have correct:

AppMeasurement.js version

VisitorID services version

Is it deployed in the correct order ?

christiaanb3127
Level 1
Level 1

Site 1- fully DTM

Visitor ID- 3.3 (loaded first)

Analytics - 2.11

Site 2- Visitor ID is loaded with DTM

Visitor ID- 2.5 (loaded first)

Analytics - not sure analytics is done server-side

AlexisCazes
Community Advisor
Community Advisor

Where is the MCID not overwritten ? The adobe Analytics server call or the cookie itself?

Does the descrination site already has an MID ?

SzTibor
Level 2
Level 2

I had similar issues. It seems that sometimes appendVisitorIDsTo() does not apped the MCID. The solution for me was to call first getMarketingCloudVisitorID() and run appendVisitorIDsTo() only after that.

javi_villar
Level 1
Level 1

If the browser rejects 3rd party cookies and you are not implementing CNAMES(https://docs.adobe.com/help/en/id-service/using/reference/analytics-reference/cname.html) you will need to decorate every URL that redirects the user from DomainA to DomainB: https://docs.adobe.com/content/help/en/id-service/using/id-service-api/methods/appendvisitorid.html

Hopefully, someday the decoration of the URL with the user ID will be able to be automated in an easy way.

 

Hope this helps.