2
KeyCAPTCHA is leading in Top 100K Sites and Top 1M Sites.
1
KeyCAPTCHA has better usage coverage in more websites categories. Including Computers Electronics & Technology, Vehicles, Arts & Entertainment, Games and 13 other categories.
2
NuCaptcha is leading in Science & Education, Community & Society, News & Media, Travel & Tourism and 2 other categories.
1
KeyCAPTCHA is leading in most countries, including Russia, Ukraine, Germany, Italy and 39 other countries.
2
NuCaptcha is leading in United States, France, Spain, India and 24 other countries.