The services listed above can always uniquely assign your visit to you via the respective components if you are logged on to the respective service at the time of the visit.
This can be done independently of your interaction with the service. In the case of videos, information can only be transmitted after the call or the appearance of the player.
If you wish to prevent this, make sure that you have previously logged out of the respective service.
This action is only required if you accept cookies.