Activity Map tracks links with a more robust algorithm that:
- Includes the tracking of
page regions to avoid cases of the same link being confused across different
devices because the link shows up in different positions on the page;
- Ensures link uniqueness,
meaning that distinct links cannot be mistaken for one because of issues with
LinkID or across different browser makes.
For more on link tracking in Activity Map, go
How Activity Map Link Tracking may collect PII Data
By turning on Activity Map tracking, you may be
collecting personally identifiable information (PII) data. This data can be
used on its own or with other information to identify, contact, or locate a
single person, or to identify an individual in context.
Here are some known cases where PII data might be collected using
Activity Map Tracking:
links. A mailto link is a type of HTML link that activates the default mail
client on the computer for sending an e-mail.
- User ID
links that may show up in the header/footer of a website once the user has
- For financial
institutions, the account number may be shown as a link. Clicking it will
collect the text of the link.
- Healthcare websites may
also have PII data shown as links. Clicking these links will collect the text
of the link, thereby collecting PII data.