In plain English
It means information from separate websites is tied together so the same person can be recognised from one site to another. The key idea is linking activity across sites over time, rather than looking only at what happens on one website.
In context
Here, the term names tracking that links a person's activity across different websites or services so the person can be identified or followed over time.
- Situation
- Understanding encryption, privacy, data-sharing, and secure-connection labels
- What it communicates
- names tracking across different websites or services
Meaning limits
The term by itself does not say what specific information is collected or linked, only that activity on different websites is connected to identify or follow a person over time.
Examples
“When the company linked her visits to a parenting forum, a toy shop, and a video site over several weeks, it was engaging in cross-site tracking.”
“Several parents objected to cross-site tracking between the school's fundraising site and the ticket seller's website.”