It’s true — marketers don’t india whatsapp number data
think about email open rates as much as they used to. Yet, to get your reader to the actual content of your email — to make that conversion — you have to get them to actually open the email. Their engagement starts with a subject line that captures their attention, one which they won’t simply swipe and delete.
If you struggle to write open-worthy subject lines, and your campaigns always seem to be sinking into a pool of failed marketing, don’t worry — you’re in good company because we can help. We think email subject lines should be on the minds of email marketers because they are tied directly to open rates. A subject line starts a reader’s experience with an email campaign, and in an increasingly distraction-filled world, it can also end their experience with it if it isn’t engaging enough.
Pivotal points for successful subject lines
- Keep the subject 5 essential management trends for business success in 2025
line short — between 7 words and 41 characters - Make the subject line unique to the recipient
- Take the time to A/B test your subject lines
- Compare open rate data and make adjustments
- Craft a subject line you would open!
To create successful subject lines — test them, optimize them, improve them. Use these essential tips to brainstorm, but don’t take this list as a series of steps for every subject line. Instead, shake up your go-to subject lines, and test some variations on this list to see what your audience responds to best.
To learn more about email testing, check out our blog on A/B testing. Or get the guide, The Ultimate Email Marketing Personalization Checklist.
Best days for sending emails
- Best day thailand lists
with highest email open rates: Monday (22.0%) - Best day with highest click-through rates: Tuesday (2.4%)
- Best days with highest click-to-open rates: Wednesday and Tuesday (10.8%)
- Email unsubscribe rates were virtually identical throughout the week (0.1%)
Worst days for sending emails
- Worst day with lowest email open rates: Sunday (20.3%)
- Worst days with lowest click-through rates: Saturday & Sunday (2.1%)
- Worst day with lowest click-to-open rates: Friday, Saturday, Sunday (10.1%)
While this data is academically interesting, you should carefully consider your own audience and run email tests before blocking entire days off your campaign calendar.