Why do we have the same visitor id for multiple sessions (web-traffic from different countries)? | Community
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Shaista_L
Level 2
April 4, 2019
Solved

Why do we have the same visitor id for multiple sessions (web-traffic from different countries)?

  • April 4, 2019
  • 13 replies
  • 16103 views

The Adobe Visitor Id is not unique if its a combination of post_visid_high and post_visid_low then it should be unique. Can you give me an example explaining the generation of visitor id using combination of post_visid_high and post_visid_low, I see in the data the visitor id is alpha numeric ,Is there a conversion?

Also , If a person gets assigned a Adobe Visitor Id  and comes back (after few days) to visit the same page/website will he/she be assigned the same Adobe visitor Id (assuming they didn't delete the cookies). I am having issues where we cannot identify customers ,because the post_evar value is not always captured in DatawareHouse. What could be the possible reason's for an post evar value to be not captured which makes the customer unidentifiable ?

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    Best answer by Shaista_L

    Based on more research, I got the answer to my own question. I used Adobe analytics debugger and visited the site blocking cookies and that was the answer to my question. When a customer blocks cookies or deletes cookies and visits the site, all of these users /customers get assigned the same Adobe Visitor Id.

    13 replies

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    PratheepArunRaj
    Community Advisor and Adobe Champion
    PratheepArunRajCommunity Advisor and Adobe Champion
    Community Advisor and Adobe Champion
    June 29, 2019

    Dear Andrey Osadchuk,​ asheeshp​, @ursboller,

    Do you have any inputs for the question from @Locutus243?

    Thank You!

    Arun

    Thank You, Pratheep Arun Raj B (Arun) | Xerago | Terryn Winter Analytics
    Andrey_Osadchuk
    Andrey_Osadchuk
    Level 10
    June 29, 2019

    Locutus243, what is the percent of such Visitor IDs (each is linked to hundreds of Customer IDs) in total volume of the authenticated traffic? — If it is absolutely insignificant, maybe a part of the customers are from internet cafes or online kiosks...

    I have heard one web analyst working at a bank had a challenge — a significant share of traffic to Personal Cabinet was from offline branches where Customers could use shared devices (laptops). Another example is the computers at the airports. Just imagine how many people may use the same device (same cookie ID).

      L
      Locutus243
      Level 3
      July 1, 2019

      It is around 3% of our total traffic. Which still felt high for shared areas...but our industry may mean there is a higher than expected use of private browsing or clearing of cookies so I can chalk it down to that.

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