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Amigo1989
Amigo1989
Level 3
January 9, 2020
Solved

Relationship between cookies, segments and experience cloud id in adobe analytics

  • January 9, 2020
  • 3 replies
  • 17874 views

Hey guys,

 

i have one important questions for my understanding of segments and being part of a segment:

 

Suppose i have a segment and some users qualified himself for this segment by e.g. reading article XY between 2020-01-01 and 2020-01-08.

 

Now all these users delete their cookies and : are these users still part of the segment for the selected date range ( 2020-01-01 - 2020-01-08)? if yes, is the reason, because adobe analytics stores this information. if yes, where? in the experience cloud id?

 

but then: is it correct, that these users are not part of the segment, if the date range of the report is after he had deleted his cookies (so, e.g 2020-01-10)? if yes, why? what happens technically, that this informations is not stored anymore, because there is a daily request? does it have anything to do with the experience cloud id, where this information is not anymore part of and does the experience cloud id store all this information?

 

thank you 🙂

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Best answer by EricMatisoff

Hola Amigo!

 

Your guesses are all correct:

  • The visitors, even after deleting their cookies on 2020/1/9, will still be in the range of 2020/1/1-2020/1/8 because Adobe Analytics has no way of knowing that they've deleted their cookies (and because the data is permanent). The identifier that is used, as you guessed correctly, is the Experience Cloud ID. Which, since the cookies were deleted, won't be seen again.
  • The visitors that deleted their cookies will not be a part of the segment if your date range is after the cookies were deleted. This is because those Experience Cloud IDs were not seen during your panel's date range.

Hope that helps!

3 replies

EricMatisoff
Adobe Employee
EricMatisoffAdobe EmployeeAccepted solution
Adobe Employee
January 9, 2020

Hola Amigo!

 

Your guesses are all correct:

  • The visitors, even after deleting their cookies on 2020/1/9, will still be in the range of 2020/1/1-2020/1/8 because Adobe Analytics has no way of knowing that they've deleted their cookies (and because the data is permanent). The identifier that is used, as you guessed correctly, is the Experience Cloud ID. Which, since the cookies were deleted, won't be seen again.
  • The visitors that deleted their cookies will not be a part of the segment if your date range is after the cookies were deleted. This is because those Experience Cloud IDs were not seen during your panel's date range.

Hope that helps!

    Amigo1989
    Amigo1989Author
    Level 3
    January 13, 2020

    Hey, thanks for responding 🙂

     

    But just one thing, which i do not get: why the users are still in the old date range, if they delete their cookies? is this information stored in the experience cloud id an will not be deleted, is this the reason? so i it is captured one time, it stays in the data?

     

    And why they are still part in the old date range, but they are not part of the segment after the date range, if they delete their cookies, what is the technical reason behind it or what happens in the background? because there is a daily cookie match and the experience cloud id can not match that cookie? i hope you understand my question.

     

    Best regards

     

    Amigo1989
    Amigo1989Author
    Level 3
    January 13, 2020

    Hey, thanks for responding 🙂

     

    But just one thing, which i do not get: why the users are still in the old date range, if they delete their cookies? is this information stored in the experience cloud id an will not be deleted, is this the reason? so i it is captured one time, it stays in the data?

     

    And why they are still part in the old date range, but they are not part of the segment after the date range, if they delete their cookies, what is the technical reason behind it or what happens in the background? because there is a daily cookie match and the experience cloud id can not match that cookie? i hope you understand my question.

     

    Best regards

    Amigo1989
    Amigo1989Author
    Level 3
    January 14, 2020

    Hey, thanks for responding 

     

    But just one thing, which i do not get: why the users are still in the old date range, if they delete their cookies? is this information stored in the experience cloud id an will not be deleted, is this the reason? so i it is captured one time, it stays in the data?

     

    And why they are still part in the old date range, but they are not part of the segment after the date range, if they delete their cookies, what is the technical reason behind it or what happens in the background? because there is a daily cookie match and the experience cloud id can not match that cookie? i hope you understand my question.

     

    Best regards

    EricMatisoff
    Adobe Employee
    EricMatisoffAdobe Employee
    Adobe Employee
    January 14, 2020

    Correct - the data associated with the ID will not be deleted in Adobe just because they deleted their cookies. The data is tied to the ECID, even after the ECID cookie is deleted (or if it expires).

    Think of it like a library card - the library has your library number tied to your information. But if your wallet is stolen, the library doesn't know that it was stolen, so they still have your data thinking that it's tied to your original library number.

     

    The reason the deleted cookie doesn't show in the current date range is because that ECID didn't send any server calls to Adobe during that date range.

    It's no different than if you perform a purchase last week, you're in the segment of users that have purchased. But if you apply that segment to a project that is limited to just yesterday's data, then your purchase wouldn't show up - because it happened last week. Whether or not the cookie was deleted has nothing to do with this. What's important is the visitor was not seen during that timeframe.

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