Are Your Email Marketing Metrics Being Impacted by Gmail Prefetching Images?
Litmus
FEBRUARY 3, 2022
First things first: Gmail’s prefetch is in addition to (and different from) Google Image Cache opens, which has been reality since 2013 and occurs when the user opens the email. If you look at Gmail use from a pure numbers standpoint, prefetching appears to have the power to muddy quite a few open rates.
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