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Sending
What is Open tracking (tracking pixel)?
A tiny image in an email whose load is counted as an open.
How it works in practice
Apple Mail Privacy Protection and some security scanners load images automatically, so opens are inflated and unreliable. The pixel and tracked links also make a message look more like marketing and can hurt placement.
The common mistake
Making decisions from open rates that are mostly machines.
Check it yourself
Related terms
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