We identify these patterns by looking at the activity of millions of web users throughout the world, and using data normalization to correct for any biases.
The more traffic a site gets, the more data we have to calculate estimated metrics.
Audience Geography The audience geography data describes where visitors to this site over the past month are located, and how the site is ranked in popular countries. Engagement metrics help you understand how interested a site's visitors are with the site's content.Daily Pageviews per Visitor Estimated daily unique pageviews per visitor on the site.Daily Time on Site Estimated daily time on site (mm:ss) per visitor to the site.Estimates are more reliable the closer a site is to being ranked #1.Global traffic ranks of 100,000 are subject to large fluctuations and should be considered rough estimates.
Certified Site Metrics are metrics that are directly-measured from the website instead of estimated.