Meet Fathom Analytics.
The purpose of us using this software is to understand our website traffic in the most privacy-friendly way possible so that we can continually improve our website and business. The lawful basis as per the GDPR is "where our legitimate interests are to improve our website and business continually." As per the explanation, no personal data is stored over time.
While there is no legal requirement to add this text (or similar) with the use of Fathom analytics, we want to ensure you that we value your privacy and hope you do the same!