Huge differences between GA and Piwik Pro

Data collection and tags
2

Hi,

  1. Have you checked this article about possible sources of discrepancies between GA/Piwik PRO? Minimizing data discrepancies between Google Analytics and Piwik PRO - #3 by pp.support

You can also take a look at this help center article while investigating the discrepancies: What are visitors and how are they counted? | Piwik PRO help center

  1. In case of sharpspring and email, if there is a specific utm parameter in the URL that are used in Sharpspring or email then you could include them in Administration > Data collection > Campaign parameters