All this, by changing the subject line of an email. What if you could write better subject lines for every email? Picking winning subject lines is hard, but a/b testing makes it much easier. Sample email a/b test using wsywig editor a subject line industry leads test is simple: you send the same email to small portions of your list.
Watch to industry leads see which group opened your email the most often, then send the winning subject line to everyone. Can it get any more complicated than that? Sure. You can: test subject lines against several different variations adjust the size of your list you use to test subject lines wait longer before choosing the winner.
Judge the winner based on click-through industry leads rate instead of open rate activecampaign split test example it's all worth doing, ultimately. But you don't have to start with a super-complicated split-testing system. At first, just run simple a/b subject line tests. One subject line against another. Mano to mano. A duel to see.