While custom tracking can provide valuable insights, it also comes with some challenges:
Privacy Concerns: Ensure compliance with privacy regulations like GDPR and CCPA when collecting and storing subscriber data. Email Client Restrictions: Some email clients may block or limit the functionality of tracking pixels and scripts. Data Overload: With so much data available, it can be challenging to focus on the most relevant metrics and avoid analysis paralysis. Integration: Integrating custom tracking data with other marketing tools and platforms can be complex and time-consuming.