Category - Captchas

reCAPTCHA is Google's implementation of CAPTCHA human verification functionlality.

Technology usage statistics

Websites using reCAPTCHA 665,889 websites
Most popular in the country United States of America
Market position in Captchas #1
Market share in Captchas 99.97%

Technology adoption

Recent changes in reCAPTCHA usage. (See reCAPTCHA Usage Changes report)
Websites that added reCAPTCHA +21,816
Websites that dropped reCAPTCHA -91,133

Distribution by websites popularity

reCAPTCHA detection in the top websites by popularity
Top 10k sites 926 websites
Top 100k sites 9,157 websites
Top 1m sites 63,969 websites

Websites utilizing reCAPTCHA

Top websites that use reCAPTCHA

Domain Country Rank Contacts United States of America 13 United States of America 20 United States of America 32 United States of America 35 United States of America 37 Ireland 22,750
See full domain list

Market Share

reCAPTCHA market share within the Captchas category

Geographical Distribution

Technology usage distribution by websites across the globe.

reCAPTCHA often used together with

Category - Document Encoding.
UTF-8 is used together with reCAPTCHA on 662,523 domains. Total 8,486,158 domains found using UTF-8
Category - Document Standards.
JavaScript is used together with reCAPTCHA on 657,225 domains. Total 6,425,165 domains found using JavaScript
Category - JavaScript Libraries.
jQuery is used together with reCAPTCHA on 617,790 domains. Total 4,000,935 domains found using jQuery
Category - Document Standards.
HTML5 Tags is used together with reCAPTCHA on 559,703 domains. Total 4,203,578 domains found using HTML5 Tags
Category - Programming Languages.
PHP is used together with reCAPTCHA on 495,087 domains. Total 3,804,645 domains found using PHP
Category - Databases.
MySQL is used together with reCAPTCHA on 401,785 domains. Total 2,612,960 domains found using MySQL

Alternative Technologies

Mollom: Total 148 domains found using Mollom
Solve Media: Total 26 domains found using Solve Media
CoinHive Captcha: Total 5 domains found using CoinHive Captcha