The term "Open Rate" is used by internet marketers to indicate how many commercial emails were opened within an email marketing campaign.
The Open Rate is most commonly expressed as a percentage. It is calculated by dividing the number of email messages opened by the total number of email messages sent (not including the soft bounces and hard bounces).
Tracking the campaign Open Rates is among the earliest email marketing metrics. Today, many marketers doubt whether the Open Rate metrics can really help analyze the effectiveness of email campaigns.
Opening an email does not necessarily mean that the reader clicked on the target links, clicked through to the target website, or made the target action. For this particular reason, it is better to analyze the Open Rate in line with other email marketing metrics, such as:
These are the most basic metrics that are analyzed by email marketers.