The page usually immediately redirects to the intended page, so it’s not always noticeable.

This means that personal information is not shared with marketers when a user clicks on a tracking link."

A few email applications have some protection against tracking links, but they’re primarily focused on outright scams.

Rockbox on an iPod Nano

For example, Mozilla Thunderbirdautomatically blocks linksthat appear as one URL but take you to a different site.

proton

Example of a link with tracking components