One of the most critical elements of writing a winning subject line is to make it the right argentina phone number resource length. There have been many studies on this, but recent data from campaign monitor found that somewhere between and characters is the optimal length. More specifically, they recommend starting with shorter subject lines ranging from to characters, as this is ideal for catering to mobile users with limited screen real estate. Given that nearly half ( percent) of emails were opened on mobile in , this is definitely important.
To give you an idea of what this looks like, here’s an example from trello with characters. Trello subject lines best practices email marketing for ecommercecampaign monitor also references a study by brian dean of backlinko that found slightly longer subject lines with to characters got the highest response rate.Backlinko ideal subject line length email marketing for ecommerce our suggestion is to stay on the shorter end of the spectrum initially and then test out some longer subject lines later on to see which ones perform the best.
