No matter what they say, people do judge emails by their subject lines. In fact, 47% of email recipients decide whether or not to open an email based on subject line alone. That's why it's so important to craft subject lines that are compelling enough to get people to click through.
While they may seem like a small part of your message, they're one of the very first impressions you have on your email recipients. And they're a marketer's ticket for standing out in a crowded inbox. Do you want your email content opened, read, and clicked? It all starts with the subject line. Here are 17 tips to help jazz them up and boost engagement.
https://blog.hubspot.com/marketing/improve-your-email-subject-line/