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Unique Cookies

Unique Cookies



*These metrics only refer to activity on YouTube and the Display Network and are designed to provide insights into how many people you are reaching with your ads. Before reading you should know what a cookie is:

*A cookie is defined as a piece of text sent to a user’s web browser by a website that they visit. Essentially acting as a log of information pertaining to the visit such as preferred language or location among other attributes and settings.

Unique Cookies

Quick Description = The amount of unique cookies that were exposed to your ad

Referred to as = Unique Cookies

This metric provides an approximation of how many people saw your ad in any given period of time. Because unique cookies are specific to a browser, every unique cookie is typically a person browsing and clicking your ads.

However some people delete cookies or have their browser setup to remove cookies after leaving a site, this creates variance in the data; consequently and in conjunction with other factors, unique cookies is not the same as unique users.

Also some people switch between devices without being logged in and thus, this metric does not equal unique users, but is just a close approximation.

This is represented by a whole number.

Related Guides

If you liked this guide on Unique Cookies, you may also be interested in our other guides within the ‘reach metrics’ category:

  • Average Impression Frequency Per Cookie
  • Unique Viewers (Cookies)
  • Average View Frequency Per Cookie


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