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Email Open Rates Seen Best in Morning, Clicks in Late Afternoon

by MarketingCharts staff
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This finding conflicts with September 2011 research from Pure360, which indicated that the best time to send marketing emails to consumers is between 7 and 10 PM.

Day of the Week Not a Factor

Data from Informz’s “2012 Association Email Marketing Benchmark Report” indicates that email open and click rates did not vary significantly based on the day of week sent. Open rates ranged from a low of 32.77% on Tuesdays to a high of 35.19% on Fridays, while click rates saw a low of 18.52% on Mondays and a high of 19.85% on Wednesdays. The report also notes that delivery rates did not change based on the day of the week sent.

The average metrics for associations included a 98.28% delivery rate, 34.33% open rate, 19.49% click rate and 0.052% unsubscribe rate.

Short Subject Lines Get Best Open Rates

informz-email-open-rate-subject-line-length-march2012.jpgThe length of email subject lines did have a significant effect on open rates, though. Subject lines less than 10 characters long boasted an open rate of 58%, 38% higher than the next-highest open rate, for subject lines of 50-59 characters in length (42%). Subject lines between 10 and 50 characters long saw an open rate of roughly 35%, while rates dropped to 31% for subject lines of 60-69 characters, and 28% for those even longer.

Other Findings:

  • Desktop subscribers had higher open rates than mobile subscribers (51% vs. 46%) and higher click rates (15% vs. 5%). Subscribers using both email client types had a higher open rate (58%) but a lower click rate (13%) than desktop only clients. This is consistent with November 2011 results from Knotice, which suggested that although more and more users are opening emails with mobile devices, the proportion of users who take action by clicking on links within the email is far lower for mobile devices than for desktops.
  • According to Informz, usage of the iPhone and iPad for email has more than doubled since 2009.
  • 49% of emails sent were read by recipients, meaning they were opened for longer than 10 seconds, while 35% were opened for less than 3 seconds.
  • Survey-related emails had the highest click rate (33.39%), while appeal-related emails had the lowest (14.63%).