# Challenges with Traffic Attribution After Migrating Piwik Pro to Server Side Google Tag Manager Container

**URL:** https://community.piwik.pro/t/challenges-with-traffic-attribution-after-migrating-piwik-pro-to-server-side-google-tag-manager-container/3997
**Category:** Data collection and tags
**Created:** [May 10, 2024, 7:44am UTC](https://community.piwik.pro/t/challenges-with-traffic-attribution-after-migrating-piwik-pro-to-server-side-google-tag-manager-container/3997 "2024-05-10T07:44:00Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Lois](https://dub1.discourse-cdn.com/flex005/user_avatar/community.piwik.pro/lois/32/3415_2.png) [@Lois](https://community.piwik.pro/u/Lois)
#### Post date: [May 10, 2024, 7:44am UTC](https://community.piwik.pro/t/challenges-with-traffic-attribution-after-migrating-piwik-pro-to-server-side-google-tag-manager-container/3997/1 "2024-05-10T07:44:00Z")

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Hi Piwik Pro team,

For one of our clients, we have migrated Piwik Pro from the Client Side to the Server Side Google Tag Manager Container (following the instructions in this article: [Google Tag Manager (server-side) integration | Piwik PRO help center](https://help.piwik.pro/support/integrations/google-tag-manager-server-side-integration/)). Now we see that in Piwik, almost all incoming traffic is being attributed to direct traffic. I hope you can assist me with this matter!

Best regards,  
Lois

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### Author: ![anthonybartczak](https://dub1.discourse-cdn.com/flex005/user_avatar/community.piwik.pro/anthonybartczak/32/2430_2.png) [@anthonybartczak](https://community.piwik.pro/u/anthonybartczak)
#### Post date: [May 13, 2024, 11:55am UTC](https://community.piwik.pro/t/challenges-with-traffic-attribution-after-migrating-piwik-pro-to-server-side-google-tag-manager-container/3997/2 "2024-05-13T11:55:17Z")

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Hi @Lois!

Could you send some screenshots of the incoming traffic that’s visible in the [tracker debugger](https://help.piwik.pro/support/collecting-data/tracker-debugger/)? What I’m interested in:

1. Session information (available on the left side)
2. Request details (see the screenshot below, you can copy the content instead of sending a screenshot)  
 ![obraz](https://europe1.discourse-cdn.com/flex005/uploads/piwikpro/original/2X/8/8d1931b8d39010ed858550b0093d7fce07714236.png)

You can send everything in a private message.