Click to Open Rate (CTOR)
Click to Open Rate (CTOR)
- April 20, 2021
- Posted by: Nicola Selenu

A metric that measures the effectiveness of your email’s content. It is calculated by the number of unique clicks divided by the number of unique opens.
Author:Nicola Selenu
Email Service Providers Handbook
The most comprehensive “Handbook of Email Service Providers“!
SPAMASSASSIN RULES
All SpamAssassin rules in one place, EXPLAINED!
SMTP COMMANDS
& REPLY CODES
All SMTP/ESMTP commands and reply codes in one place, EXPLAINED!
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Deliverability Glossary
The most comprehensive Email Deliverability and Marketing Glossary!
Click to Open Rate (CTOR)
A metric that measures the effectiveness of your email’s content. It is calculated by the number of unique clicks divided by the number of unique opens.
« Back to Glossary IndexAuthor:Nicola Selenu
Email Service Providers Handbook
The most comprehensive “Handbook of Email Service Providers“!
SPAMASSASSIN RULES
All SpamAssassin rules in one place, EXPLAINED!
SMTP COMMANDS
& REPLY CODES
All SMTP/ESMTP commands and reply codes in one place, EXPLAINED!
Free DNS Tool
Check the DNS records of your domain with our free DNS tool.
Deliverability Glossary
The most comprehensive Email Deliverability and Marketing Glossary!
« Back to Glossary Index