Response insight will analyze your email draft and provide feedback based on extensive research we've done on what makes an email most effective.From these insights, you'll also get recommendations to gently guide you to craft the perfect message.Again, the tool with grade your template based on subject length, word count, question count, and readability – providing you with an overall score and recommendations to make your message more engaging.To determine the ideal subject length, word count, question count, and grade level (or readability) – we analyzed 262,518 templates (which is 4.5M data points) to find the most successful subject length, word count, question count, and grade level depending on open and reply rates.