4 ms·
How would caching work if it is a (uniquely) _tracking_ pixel?
by mathnmusic 7y ago
How would caching work if it is a (uniquely) _tracking_ pixel?
- umeshunni 7y agoThey cache the image when the email is received, not when it is opened.
- mathnmusic 7y agoWhich would break tracking because open-rate would be 100% even if the user is on vacation.
- deleted 7y ago[deleted]