Technologies within CAPTCHA: Tenon Research

The below table lists all of the technologies within the CAPTCHA category. Follow the link on the technology name to be taken to the statistics for that technology.

Name First Seen Last Seen # of times seen
reCAPTCHA 2018-11-21 19:06:57 2020-07-07 05:58:32 18576
Are You a Human 2018-11-21 19:10:38 2020-06-27 04:27:44 2214
WP reCAPTCHA 2018-11-21 19:23:36 2020-05-31 00:41:19 434
reCAPTCHA v3 2018-11-21 22:09:45 2020-07-06 19:24:49 567
SI CAPTCHA 2018-11-22 19:11:07 2019-09-19 19:52:05 165
Hashcash 2018-11-22 21:40:27 2018-11-30 03:09:16 4
GEETEST 2018-11-23 07:40:06 2019-12-10 02:18:29 35
KeyCAPTCHA 2018-11-24 05:01:08 2019-01-07 22:49:37 9
Sweet Captcha 2018-11-27 19:03:29 2020-07-06 06:48:59 26
SnapHost 2019-11-04 03:24:36 2019-11-04 03:24:36 0