Click-to-Open Rate (CTOR) is a granular metric that provides deeper insights into your email content, specifically how the body of your content encourages your audience to take action on your emails. Unlike click-through rate (CTR).
which measures the number of clicks against the total number of emails sent, uk telegram number CTOR focuses specifically on the engagement of users who have shown initial interest by opening your email. This metric is calculated by dividing the number of unique clicks by the number of unique opens, then multiplying the result by 100 to get a percentage.

Increasing CTOR generally means better content — more valuable, more specific, more enjoyable, easier to navigate, visually supporting attention through button size and color, message clarity, and urgency of the call to action.