Fill in the blank: As a general rule, _________ subject lines improve open rates.
Longer
Shorter
Funnier
Vague
https://www.youtube.com/watch?v=bwmj8VsJqNI
Home » Hubspot Email Marketing Certification Exam Answers » Fill in the blank: As a general rule, _________ subject lines improve open rates.
Fill in the blank: As a general rule, _________ subject lines improve open rates.
Longer
Shorter
Funnier
Vague
https://www.youtube.com/watch?v=bwmj8VsJqNI