General Captcha
1,400,148 websites

General Captcha is free to use

http://www.captcha.net

Websites using some form of Captcha technology on them.

VS

NuCaptcha
470 websites

NuCaptcha is free to use

http://www.nucaptcha.com/

NuCaptcha is the next generation of Captcha security specifically designed to allow authenticated humans to pass quickly and easily while adjusting to a higher level of captcha security when a risk is detected.

Market Share by Top Websites

1 General Captcha is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, NuCaptcha is clearly lagging behind, losing to General Captcha in all segments.

Websites Categories

1 General Captcha has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Arts & Entertainment, Health and 20 other categories.

2 NuCaptcha hasn't got a lead over General Captcha in any websites category.

Geography

1 General Captcha is leading in most countries, including United States, Russia, Germany, China and 162 other countries.

2 NuCaptcha hasn't got a lead over General Captcha in any country.