> This trick was to start sending the emails at the same hour the user last visited our website. > For example, if a user was last on our website at 3:43pm, th

> This trick was to start sending the emails at the same hour the user last visited our website. > For example, if a user was last on our website at 3:43pm, then now we send the marketing emails to this user at around 3pm. There’s 0 chance that this has any real effect on the click rate.