Blank. The best-performing subject line is … blank. Well, not completely blank. The best subject line is “Re:” or “Fw:” for senders who are trying to sell email recipients something, according to ContactMonkey research.
The Toronto-based email tracking software provider cataloged 30 million messages sent from Outlook and Gmail and announced its findings Wednesday.
“Re:” has a 92 percent open rate, closely followed by:
- Re: Follow Up (90 percent)
- Re: update (89 percent)
- Re: Introduction (88 percent)
- Re: Checking In (87 percent)
At the bottom of the barrel is “The results are in,” with a 7.25