The lengthy <img>
tag in the index.html contains a simple tracking application that 1% of the time pings a remote server which in turn removes additional data that would help with de-anonymizing, such as the URL and the exact timestamp, before storing the ping. The parameters recorded are
l
document.locationr
document.referrerp
partner, in this example Tickaroo_d
sample rate. Only one in_d
pings (selected randomly) will get sent. In other words:Date.now() % _d
has to be 0, otherwise the ping does not get sent.
Please also see https://dataless.dpa-prototype.de