What and how do you track usage statistics?

We track two types of events:
  1. Visits to a record page.
  2. Downloads of a file.

For both types of events, we track:

  1. Visitor: An anonymized visitor ID.
  2. Visitor type: If the request was made by a) human, b) machine or c) robot.
  3. Country: The country of origin of the request (based on the IP address).
  4. Referrer: The referrer domain.