Smart Subject Lines Have Arrived

We all get writer’s block from time to time, but getting hit right before that important email campaign is a big bummer. Well-written and catchy subject lines can be the difference between a hugely successful campaign and a stinker. So we’re incredibly excited to announce Smart Subject Lines, to help you overcome that pesky writer’s block in your greatest times of need.



Just type some phrases, and we’ll show you similar subject lines to what you’re typing. Even better, the subject line results will be specific to the stage you’re building an email for, like Cart Abandon, Price Drop, or At Risk of Leaving, and will also be scored for their past performance. It uses data science to help e-commerce brands discover new email subject lines that increase open and engagement rates. Smart Subject Lines are powered by activity gleaned from the 400 million emails sent from the platform every month.

You can see if a subject line is predicted to perform better or worse with the up and down arrows, and you can easily add a subject line to your email by clicking the “add” button.



Smart Subject Lines is available in all accounts starting today, with no limit to how many times you want to use it. More updates and optimizations will be coming over the next few months, so it will continue to help your engagement and open rates. We would love to hear your feedback!

Not a ReSci customer yet, and want some Smart Subject Line inspiration? Contact us for a demo today!

More info in our Helpdesk article.


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ReSci is a team of marketers and data scientists on a mission to democratize AI. We make powerful recommendations and predictions accessible to brands. Find out how we can help you connect with your customers.