An open rate is what share of an email's recipients opened it. A good open rate.
It is measured by a hidden image, which is why blocked images make the figure unreliable. An open rate depends almost entirely on the subject line and who sent it.
1nounopen rateWhat share of an email's recipients opened it.
“The open rate on that newsletter has never dropped below forty per cent.”
open rate is a measure.
Practised in Marketing & Advertising