Data Storage

Dalton prioritizes data privacy and security by using European data centers for all A/B testing and tracking operations.

European Data Centers

All Dalton A/B testing data is processed and stored exclusively within the European Union. The primary data zone is eu-central.

What Data We Store

Visitor Data

Anonymous Identifiers:

• Session IDs for experiment consistency
• Anonymous device IDs for return visitor recognition
• Experiment participation records
• Variation assignment data

On the visitor's own device, these anonymous identifiers are held in first-party cookies and browser storage. See Cookies & Storage for the full list and durations.

Experiment Data

Performance Metrics:

• Conversion rates and goal completions
• Experiment content
• Aggregate experiment insights