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

Twemoji
4,489,259 websites

Twemoji is free to use

https://github.com/twitter/twemoji

A simple library that provides standard Unicode emoji support across all platforms.

Market Share by Top Websites

1 Twemoji is leading in Top 1M Sites and The Entire Web.

2 General Captcha is leading in Top 10K Sites and Top 100K Sites.

Websites Categories

1 Twemoji has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Arts & Entertainment, Community & Society and 19 other categories.

2 General Captcha is leading in E-commerce & Shopping.

Geography

1 Twemoji is leading in most countries, including United States, Japan, Germany, United Kingdom and 158 other countries.

2 General Captcha is leading in China, South Korea, Uzbekistan and Turkmenistan.