There are 3,381 sites with a better three-month global Alexa traffic rank than Cambridge.org. Compared with the overall internet population, this site's users tend to browse from school and home, and they are disproportionately childless women earning less than $30,000 who have postgraduate educations. While the site is ranked #5,216 in the US, where about 15% of its visitors are located, it is also popular in the UK, where it is ranked #1,059, and about 38% of visits to the site consist of only one pageview (i.e., are bounces). Cambridge.org has been online for at least thirteen years.