# Gap between BO & Piwik Pro

**URL:** <https://community.piwik.pro/t/gap-between-bo-piwik-pro/2753>\
**Category:** Data collection and tags\
**Created:** [August 22, 2023, 7:44am UTC](https://community.piwik.pro/t/gap-between-bo-piwik-pro/2753 "2023-08-22T07:44:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Valentine\_Krystek](https://avatars.discourse-cdn.com/v4/letter/v/3da27b/32.png) [@Valentine\_Krystek](https://community.piwik.pro/u/Valentine_Krystek)\
**Post date:** [August 22, 2023, 7:44am UTC](https://community.piwik.pro/t/gap-between-bo-piwik-pro/2753/1 "2023-08-22T07:44:17Z")

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Hello,

Concerning the orders, I recently observed a discrepancy of over 20% between the data on Piwik Pro and the data in the back office, even though we had applied the consent exemption.  
What are the possible reasons for this?

Thanks in advance

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**Author:** ![Oliwer\_Kaczmarek](https://dub1.discourse-cdn.com/flex005/user_avatar/community.piwik.pro/oliwer_kaczmarek/32/3888_2.png) [@Oliwer\_Kaczmarek](https://community.piwik.pro/u/Oliwer_Kaczmarek)\
**Post date:** [August 22, 2023, 9:31am UTC](https://community.piwik.pro/t/gap-between-bo-piwik-pro/2753/2 "2023-08-22T09:31:01Z")

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Hi @Valentine_Krystek,

Welcome to our community!

Here is an article about where data discrepancies can come from. Some of them are only present when comparing different analytics tools and will not apply to you, but there will be a number of them that do:

> **[The causes of data discrepancies between analytics platforms - Piwik PRO](https://piwik.pro/blog/causes-data-discrepancies-between-analytics-platforms/)**
>
> Find out the reasons for data discrepancies across different analytics platforms and how to avoid them.

Best,  
Oliwer