Discover what email subjects perform best
and start getting better results today.
View deliverability rates from over one million real inboxes
Compare your subject lines with your competitor’s to improve open rates
Get email alerts with the best performing subjects in your industry
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How do you separate your message from billions of other emails?
Your customer list is one of your most valuable assets as a company. However, many emails that get sent to that list never get opened. Why? Because the subject line isn’t compelling enough to open. But what if you could create that perfect subject line every time? More people would read your emails and buy what you’re offering. That’s the power of SubjectLin.es.
End the cycle of guessing, A/B testing, and tweaking in the first and most important part of your email campaign—the subject line. Start improving your read rate today.
Your customer list is one of your most valuable assets as a company. However, many emails that get sent to that list never get opened. Why? Because the subject line isn’t compelling enough to open. But what if you could create that perfect subject line every time? More people would read your emails and buy what you’re offering. That’s the power of SubjectLin.es.
End the cycle of guessing, A/B testing, and tweaking in the first and most important part of your email campaign—the subject line. Start improving your read rate today.
Increase the likelihood of your emails being delivered
Some words in your subject line may trigger spam filters, blocking your marketing message before your customer even sees it. Ensure your campaign the best possible chance of being delivered with SubjectLin.es’ powerful data set guiding the way.
Compare the read rate of emails using similar subject lines
Email Read Rate, also called Open Rate, is a measure of how many people open (or view) a particular email that has similar words in the subject line. Our data is an aggregate of over 1 million actual inboxes to give you insight across multiple campaigns and business verticals.
Identify trends by date including week, month or quarter
Saavy email marketers are constantly trying new things to increase their deliverability and read rates. Only SubjectLin.es takes a wider look to help identify keyword trends so you can see if they might work for your own email marketing campaign.
Search by subjects, keywords, senders, tags, and markets for more detailed information
Drill down further for a more detailed look at what is working for other email marketers. Cross reference popular subject lines across markets and senders — including the competition.