⚡ Captchas in Korea

Captchas (from an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart") are security technologies used to verify whether a user is a human or a bot by presenting challenges that are easy to solve for people but difficult for automated systems.

Korea is an East Asian country with a population of around 52 million people.

According to our research, captcha services are used on 1.5% of websites from Korea.

Statistics based on 27K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top captcha services in Korea in 2026, based on market share.

The most popular is reCAPTCHA, which dominates the market with an overwhelming 81.7% share.
It is followed by hCaptcha with 13.5% and Cloudflare Turnstile with 10.4%.

reCAPTCHA 81.7%
hCaptcha 13.5%
Cloudflare Turnstile 10.4%
GeeTest 0.7%
AWS WAF Captcha 0.5%
Friendly Captcha 0.2%
Yidun Captcha 0.2%

🚀 Highlights

Here is a list of the top services that are more popular in Korea than worldwide.
Differences between global and country rankings are shown in parentheses.

4. GeeTest ^(-4)
5. AWS WAF Captcha ^(-2)
7. Yidun Captcha ^(-4)

✨ Best Captcha Services

Below is a more detailed list of 7 captcha services used on sites from Korea, ranked by their market share.

Rank	Name	Market share
1	reCAPTCHA Mountain View, California, United States A Google service that protects websites from spam, fraud, and automated abuse by distinguishing human users from bots. Free tier$8+/month	81.7%
2	hCaptcha San Francisco, California, United States A security service for detecting and preventing human and automated abuse on websites and applications, often used as a drop-in alternative to reCAPTCHA. Free$99+/month	13.5%
3	Cloudflare Turnstile San Francisco, California, United States A user-friendly CAPTCHA alternative that verifies human visitors without requiring them to solve interactive puzzles or identify objects. Free$$$	10.4%
4	GeeTest Wuhan, China A Chinese provider of CAPTCHA and bot management solutions. $$$	0.7%
5	AWS WAF Captcha Seattle, Washington, United States A feature of the AWS WAF web application firewall that helps protect web applications by requiring requests that match specific criteria to solve a captcha puzzle or silent challenge before proceeding. $$$	0.5%
6	Friendly Captcha Woerthsee, Germany A European captcha service that protects websites from bots and automated abuse while prioritizing user privacy, security, and accessibility. Free€9+/month	0.2%
7	Yidun Captcha Hangzhou, China A captcha service provided by the Chinese company NetEase.	0.2%

👉 See Also

🌎 Captchas in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 27,953 websites from Korea.
We currently track the presence of 13 captcha services across the web.
Of these, 7 were detected on websites from Korea.
Statistics were last calculated on May 14, 2026.
For more details, see our methodology and disclaimer.