Click-to-Open Rate (CTOR) in Email Marketing: What It Is + Why It Matters in 2026
1-Minute Recap If you only skim, here’s the big picture: Email click-to-open rate (CTOR) is an email marketing metric that shows what percentage of people who open your email actually click. It sits alongside email open rate and click through rate (CTR) as one of the core performance signals: Open rate = inbox and [...]






