There are plenty of ways to write successful email subject lines, and different methods will work better for different businesses. To get an idea of which methods work best for your specific business and email subscribers, you need to keep track of what works best for your campaigns.
There are plenty of tools available through email marketing platforms, including Persado. These tools can give you insights and analytics about your emails and their open rates so you can determine best practices. For example, you may choose to try out a couple of different subject lines for your emails. Maybe you ask a question in one, personalise one with subscribers’ names, and put a specific timeframe on another, then conduct A/B testing to find out which performed best.
After you’ve sent out each of those campaigns, you can go back and look at which ones got the highest open rates and engagement. If you notice certain trends that stand out when you use different types of email subject lines, then you may be able to uncover which types resonate most with your subscribers. With proper tracking and metrics, you no longer have to guess about what works, and your well-written email subject lines and improved open rates will be the result.