Choosing the best day
According to our data, the best days to send emails are Mondays and Wednesday. Although these results are based on many variables, we can assume that most users “clean” their inboxes during the weekend, leaving it open for new emails received on Mondays. For Wednesdays, the cause may be similar; by this time of the week users are mostly done with early-week emails, giving more attention to Wednesday emails.
It is important to mention that these results contradict older trends that show higher open rates on emails sent only during midweek. The growing popularity of mobile devices has changed email opening behavior by making it more homogeneous. On previous years, higher open rates depended on the days on which users had access to their home or work computer. This is why most outdated studies advice against sending emails on weekends, when readers did not have access to work computers.
Choosing the right time
Unlike day of the week, time is a much important factor affecting open rates. Our study found that the best times to send emails are 7:00AM, 3:00PM, and 9:00PM. These results show that most users are opening their emails during their day breaks; right after waking up, after having lunch, and before going to bed. Most of these openings occur on mobile devices.
Considering your objective
Even though the results above are a good starting point to start optimizing your email marketing campaigns, it is important to consider the objective of your email before choosing the right send time. These are a few considerations to keep in mind depending on your type of email:
- Actionable Emails (requiring purchases or getting user information): Send on later afternoon and late evenings when users have time to complete your desired action.
- B2B Emails: Send on Tuesdays and Wednesdays, either at 11:00AM or 3:00PM-4:00PM. The idea here is to avoid rush office hours. Not many users are going to pay attention to your email if you are sending it at 4:30PM on a Friday, when everybody is trying to clear their desk before the weekend.
- Leisure/Brick-and-mortar Shopping Emails: Experiment sending those during weekends. If you want to drive traffic to your point of sale, send emails early on Saturdays. For leisure services (hotels, spas, etc.), send emails after 11:00AM on Sundays, when users have time to make reservations.
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