CAPTCHA Usage Distribution in the Top 1 Million Sites

Top In CAPTCHA Usage Distribution in the Top 1 Million Sites

Technology	Websites	%
reCAPTCHA	217,243	21.72
hCaptcha	1,923	0.19
SI CAPTCHA	1,038	0.1
Tencent Waterproof Wall	634	0.06
Math Captcha	413	0.04
Human Presence	142	0.01
WP reCAPTCHA	137	0.01
Ding Xiang	79	0.01
Geetest	75	0.01
KeyCAPTCHA	56	0.01
SnapHost	22	0
Are You a Human	17	0
Sweet Captcha	11	0
Vaptcha	5	0
Hashcash	1	0
EasyCaptchas.com	1	0

247,433 Detections

of CAPTCHA in the Top 1 Million Sites. Last updated 23rd Nov 2021.

reCAPTCHA is currently the most popular technology in this category.