⚡ Captchas

A CAPTCHA (an acronym for Completely Automated Public Turing test To tell Computers and Humans Apart) is a security technology used to verify whether a user is a human or a bot (computer program).

According to our research, captcha services are used on 10.2% of all websites.
99.5% of these sites use only one captcha service, 0.5% use two.

⭐ Most Popular in 2025

The following chart shows the leading captcha services in 2025, based on market share.

The most popular is reCAPTCHA, which dominates the market with an overwhelming 91.7% share.
It is followed by hCaptcha with 7% and Cloudflare Turnstile with 1.1%.

🚀 Highlights

Here is a list of services that are particularly popular in certain countries.
Differences between global and country rankings are shown in parentheses.

✨ Best Captcha Services

Below is a more detailed list of all captcha services we detect, ranked by their market share.

RankNameMarket share
1 reCAPTCHAMountain View, California, United States

A service from Google that helps protect websites from spam and abuse.

2 hCaptchaSan Francisco, California, United States

A security solution for detecting and preventing human and automated abuse, a drop-in replacement for reCAPTCHA.

3 Cloudflare TurnstileSan Francisco, California, United States

A verification tool that verifies human web visitors without a CAPTCHA.

4 Friendly CaptchaWoerthsee, Germany

A European captcha service that protects websites from bots and abuse, focusing on privacy, security and accessibility.

5 Yandex SmartCaptchaMoscow, Russia

A captcha service from the Russian company Yandex.

6 AWS WAFSeattle, Washington, United States

A web application firewall that helps protect web applications from attacks by blocking requests before they reach upstream servers.

7 GeeTestWuhan, China

A Chinese provider of CAPTCHA and bot management solutions.

8 AltchaBrno, Czech Republic

An open-source, privacy-first, self-hosted captcha alternative that uses a proof-of-work mechanism to protect websites, APIs and online services from spam and unwanted content.

9 Tencent CaptchaShenzhen, China

Provides web and app developers with comprehensive human verification services through slider CAPTCHAs.

10 Yidun CaptchaHangzhou, China

A captcha service provided by the Chinese company NetEase.

11 MTCaptchaMountain View, California, United States

A GDPR and WCAG compliant enterprise captcha service.

12 Human PresenceGreenville, South Carolina, United States

Web security software that identified human website visitors through human behavior analysis and proprietary machine learning algorithms.

13 VaptchaChina

A new type of human-machine verification solution based on AI and Big Data.

14 KeyCAPTCHARussia

A jigsaw puzzle captcha service with plugins for 19 popular content management systems.

Data updated

👉 See Also

When interpreting and using the results, please read our methodology and disclaimer.