Captcha.com is tracked by us since June, 2013. Over the time it has been ranked as high as 108 899 in the world, while most of its traffic comes from Korea, where it reached as high as 4 991 position. It was owned by several entities, from Marijan Plestina () to Captcha Inc., it was hosted by Hetzner Online AG and Hetzner Online GmbH. While ENOM INC. was its first registrar, now it is moved to Misk.com Inc..

Captcha has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Captcha.com is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Captcha.com is a suspicious domain with mostly negative visitor reviews.