Captcha.biz's three-month global Alexa traffic rank is 338,704. The time spent in a typical visit to the site is approximately three minutes, with 53 seconds spent on each pageview. While the site is ranked #534,854 in the US, where we estimate that 12% of its visitors are located, it is also popular in Vietnam, where it is ranked #34,087, and search engines refer approximately 26% of visits to Captcha.biz. Compared with internet averages, its users are disproportionately male, and they tend to be less affluent, childless people aged under 35 and 55–65.