ProZ.com is ranked #2,867 in the world according to the three-month Alexa traffic rankings. Relative to the overall population of internet users, this site's audience tends to be Hispanic; they are also disproportionately childless women under the age of 35 who have postgraduate educations and browse from work and school. While approximately 8% of visitors to the site come from the US, where it is ranked #7,417, it is also popular in Spain, where it is ranked #1,189, and roughly 53% of visits to the site consist of only one pageview (i.e., are bounces). Proz.com has been online since 1999.