Google Ad Planner’s new traffic estimation model should help reduce some of the confusion that often surrounds tracking the number of unique visitors to your site. Here are the new features:

• Added Unique Visitors (cookies), a new cookie-based metric, to help you cross-check and compare metrics, similar to Google Analytics unique visitor metrics.
• Changed Unique Visitors to Unique Visitors (users) so it's clearer that you're reviewing estimated numbers of real world users.
• Placed the Unique Visitors (cookies) and Unique Visitors (users) metrics on a site's profile page so you'll have a more comprehensive view of how a specific site can support your media planning. Learn how to make the most of these two metrics.

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