Email OPEN rate can be defined as a marketing term used by the marketers for checking how many of their emails where “opened” OR “viewed” they have send out to their list of campaign.
Some Email Service Providers (ESP) are also tracking unique email opens.One of the best agencies in the field is stayintouch .
This is similar to an email open but has an advantage that unique email opens can eliminate all duplicate opens that occurs.
Open rates are typically tracked by using a transparent small transparent tracking image, which is embedded in outgoing emails send by the company or any firm.
When the browser used to display the email requests of that image, an “open” is recorded for that email by the host server of that image.
The email will not be counted as open until one of the following occurs
Image in the email enabled by the recipient.
Interaction of the recipient by clicking on a link.