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3 Embarrassing Subject
Line Mistakes to Avoid
The subject line is a “make it or break it”
moment for marketers. You have only a
few seconds to earn a subscriber’s
attention. Don’t squander the moment by
making a distracting error.
@litmusapp
If you don’t have a good QA process in
place, you could end up accidentally
making one of these 3 embarrassing
subject line mistakes…
@litmusapp
The “awkward”
truncation of a
subject line
1
Having the text of your subject line get
cut off in the inbox can appear to
change your message in ways that are
distracting, confusing, or even super
embarrassing. For example…
@litmusapp
@litmusapp
@litmusapp
@litmusapp
@litmusapp
@litmusapp
@litmusapp
@litmusapp
@litmusapp
@litmusapp
Unsupported or
improperly inputted
emojis
2
Emojis aren’t supported in every email
client, and can display differently when
they are. Also, if added to subject lines
incorrectly, you end up with code in your
subject line. For example…
@litmusapp
@litmusapp
@litmusapp
Not overwriting
placeholder text
3
If you don’t have a good QA process set
up, placeholder text can accidentally
sneak through and get sent to your
subscribers. For example…
@litmusapp
@litmusapp
@litmusapp
@litmusapp
@litmusapp
If any of those examples
made you cringe,
then consider…
Litmus Subject Line Checker, which
improves the performance of your emails
by helping you ensure that your subject
lines and preview text are optimized for
your subscribers’ inboxes.
@litmusapp
Get real-time previews in 15+ email
apps and webmail clients
See alerts about
issues, like
unsupported
emojis and
character counts
Subject Line Checker is one of the
many features available in Litmus
Builder, the HTML editor we designed
from the ground up for email
development.
@litmusapp
To discover how Subject
Line Checker, Builder, and
Litmus’ other features can
improve your subscriber
experience…
Start a free trial 

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3 Embarrassing Subject Line Mistakes to Avoid