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uniquenessScore

uniquenessScore (number): A number ranging from 1 to 5, indicating the likelihood that more than one user will be assigned the same clusterUUID.

Score Description​

  • 5 (Unique): Highly distinctive; likely represents a single device. Usually includes: Google Chrome, Microsoft Edge, Opera
  • 4 (Somewhat Unique): Likely distinct but may share minor similarities with other devices. Usually includes: Firefox in a normal window w/ Strict Tracking Protection off
  • 3 (Unknown): Ambiguous uniqueness; unclear distinctiveness.
  • 2 (Low Uniqueness): Likely similar to many other devices. Usually includes: Safari, Brave w/ Shields Up, Firefox w/ Strict Tracking Protection on
  • 1 (Not Unique): Shares substantial similarities with numerous other devices. Usually includes: Safari in private mode

Usage Recommendations​

  • Use the uniquenessScore to adjust your application's security measures based on how critical it is to differentiate users.
  • Higher scores suggest that the fingerprint is more unique and reliable for tracking purposes.