|Monthly Uniques||2.4M US||4.0M Global|
|Monthly Uniques||1.3M US||1.9M Global|
Offers articles from the Columbia Encyclopedia and Britannica Concise Encyclopedia. [Description from dmoz]
This site reaches over 1.9 million monthly people, of which 1.3 million (67%) are in the U.S.The typical visitor watches Biography TV and receives National Geographic.
IAB Standard Traffic Report 4/2/13 - 5/1/13
|Estimated Robot Events||128,572|
|Net Page Views||4,382,825|
|Estimated Auto-Refresh Events||0%|
This is the raw count of HTML pixel requests Quantcast has received, plus qualified Flash video play events.
This is the number of pixel requests attributed to non-human activity.
This is the estimated number of human-requested pages, based on the raw event count corrected for multi-events and robots.
This is the estimated fraction of page views due to auto-refresh rather than user-initiated requests, and approximate auto-refresh frequency.
This is the number of qualified Flash video play events received. To be qualified, Quantcast must have been able to confirm the events are sent after the player has buffered the content, per IAB standards.
This is the number of user sessions, discounting robots. A session is a period of activity separated by at least a half-hour of inactivity.
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