How to Write Newsletters That Get Opened, Read and Clicked How to Write Newsletters That Get Opened, Read and Clicked
between 31 and 45 characters in length.
In fact, for every 1 email sent using a very short subject line (0-15
chars), there are 7 emails sent that use the oh-so common mid-
length line (31-45 chars).
Should I personalize my
subject lines? No, not if you’re
doing it to increase open rates.
Personalized subject lines have
an average open rate of 6.21%,
while non-personalized subject
lines have a much higher
average open rate of 10.05%. However, unsubscribe rates
are lower for personalized subject lines (0.08%) than for non-
personalized (0.12%), so if your goal is to reduce unsubscribes, test
a personalized subject line.
14.0 0%
12.00%
10.00%
8.00%
6.00%
4.00%
2.00%
0.00% NO YES
Open rate