The influence of the CAPTCHA types to its solving times
Darko Brodić, Sanja Petrovska, Milena Jevtić, Zoran Milivojević · 2016
In this paper, we present a survey of different CAPTCHA types. Then we address the problem of the CAPTCHA userability. In the experiment, the Internet user response to solve different types of CAPTCHA is tested. The obtained results are given and statistically processed. They are discussed leading to the conclusion different types of CAPTCHA usability and suitability for Internet users.