If you want to increase conversions and recapture lost revenue, abandoned cart subject lines are a crucial part of your email marketing strategy. Abandoned cart emails can achieve open rates up to 45% and conversion rates of 50–60%, making the subject line the most important element to get right. Effective subject lines should be concise, personalized, and create curiosity or urgency. Including the customer’s name, highlighting the specific product, or offering a limited-time incentive can significantly boost open and click-through rates. Regularly testing different styles like friendly, humorous, or praise-driven lines allows you to see what resonates most with your audience, ultimately improving your ecommerce performance.