“Returning Visitor” is the browser that has entered the web site at least once before.
With “Returning Visitors” reference is made to the number of visitors/browsers that have entered the website at least once before.
When a user returns to a website already visited before and by using the same browser, he/she will be identified as a “returning visitor”.
Otherwise, if the user has never accessed the website previously, he/she will be identified as "New Visitor" or "Absolute Unique Visitor" .
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