Overview
Privacy-focused cookieless web analytics. Hashes IP + user-agent + salt to derive an anonymous daily visitor identifier and discards raw data. Positioned as a GA4 alternative for consent-light deployments.
Detection capabilities
- Signature count
- 1
- Detection methods
- network
- Property types
- hostname
Performance impact
Performance Impact
- Script size
- 2 KB
- Requests per page
- 1
Common mistakes
- 1Configuring Fathom in a non-cookieless mode and then treating it as exempt
- 2Failing to surface Fathom in the privacy notice even though it is consent-light
Related services
Scan your site for fathom-analytics
Run a free ConsentMark scan to see how fathom-analytics is loading on your site, whether it respects consent, and where governance gaps exist across your wider tag estate.
Start a free scan