If a site has Certified Metrics instead of estimated, that means its owner has installed code allowing us to directly measure their traffic.
These metrics have a greater level of accuracy, no matter what the ranking.
If a country is not listed, it is because Alexa does not have enough data for this site to rank/measure the site's popularity among that country's online population. The metrics are updated daily based on the trailing 3 months.
Bounce Rate (%) Percentage of visits to the site that consist of a single pageview.
That's why the second Chapter begins with a menu where you can decide which traits you mostly used in the first Chapter.
Other Sites Owned These are other sites with the same registered owner as this site.
Sites with Similar Names There are domain names that are similar to this site.
Certified Site Metrics are metrics that are directly-measured from the website instead of estimated.
The website owner has installed an Alexa Certify Code on the pages of their site and chosen to show the metrics publicly.