Most e-retailers will tell you that email marketing is their silver bullet – that whenever they need a revenue bump, the easiest answer is to send out another email.

But how are those emails really converting and how can they be optimized? The future is responsive design.

With more and more consumers reading emails on mobile devices, responsive design can improve the look and performance of marketing emails, even increasing click-to-open rates.

However, according to Ayaz Nanji’s recent article for MarketingProfs, “Marketing Email Benchmarks,” 75% of marketers did not send responsive emails in Q1 this year. With click-to-open rates 2% higher for responsive emails, marketers are missing out on big opportunities to engage with consumers.

Click here to check out the full infographic for more on how marketers can optimize their emails.