⚡ Captchas in the Czech Republic

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).

The Czech Republic is a Central European country with a population of around 10.5 million people.

According to our research, captcha services are used on 11.2% of websites from the Czech Republic.

⭐ Most Popular in 2026

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

The most popular is reCAPTCHA, which dominates the market with an overwhelming 91.9% share.
It is followed by hCaptcha with 5.4% and Cloudflare Turnstile with 4%.

🚀 Highlights

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

✨ Best Captcha Services

Below is a more detailed list of 8 captcha services used on sites from the Czech Republic, ranked by their market share.

RankNameMarket 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
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
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$$$
4
Altcha
Brno, 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.

FreeOpen source€24+/month
5
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
6
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.

$$$
7
GeeTest
Wuhan, China

A Chinese provider of CAPTCHA and bot management solutions.

$$$
8
MTCaptcha
Mountain View, California, United States

A GDPR and WCAG compliant enterprise captcha service.

Free tier$29+/month

👉 See Also

Data is based on the analysis of 36,221 websites from the Czech Republic.
Statistics were last calculated on .
For details, see our methodology and disclaimer.