Clicks & Engagement

What is click-through rate (CTR)? What is a “click” event and how is it recorded? How is CTR calculated? How do redirect/tracking domains record clicks? What is click-to-open rate (CTOR)? How is CTOR calculated? What's the difference between CTR and CTOR? When should I use CTOR instead of CTR? What does a high CTOR indicate? What does a low CTOR indicate? What is considered a good CTR? How can I improve my CTR? How do link scanners affect click metrics? What is prefetching and why does it cause false clicks? Why do reported clicks sometimes exceed delivered messages? How does link tracking interact with HTTPS and redirects? What are “unique” vs “total” clicks? How does Apple’s privacy proxy affect link reporting? How do clickmaps or heatmaps collect data? What click benchmarks are realistic? How do dark-mode readers or mobile apps distort link-tracking data? What’s the proper way to interpret CTOR after MPP? What are the limits of click tracking under GDPR/consent rules? Are click rates affected by privacy changes?