⚡ Captchas in the Czech Republic

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.

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 11.4% of websites from the Czech Republic.

Statistics based on 38K+ analyzed websites. About this data

⭐ 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 91.4% share.
It is followed by hCaptcha with 5.9% and Cloudflare Turnstile with 4.6%.

reCAPTCHA 91.4%
hCaptcha 5.9%
Cloudflare Turnstile 4.6%
Altcha 0.8%
Friendly Captcha 0.2%
AWS WAF Captcha 0.05%
GeeTest 0.02%
MTCaptcha 0.02%

🚀 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.

4. Altcha ^(-2)
6. AWS WAF Captcha ^(-1)
7. GeeTest ^(-1)
8. MTCaptcha ^(-2)

✨ 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.

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	91.4%
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	5.9%
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$$$	4.6%
4	Altcha Brno, Czech Republic An open-source, privacy-first, self-hosted captcha alternative that uses a proof-of-work mechanism to protect websites, APIs, and online services from spam and unwanted content. FreeOpen source€99+/month	0.8%
5	Friendly Captcha Woerthsee, Germany A European captcha service that protects websites from bots and automated abuse while prioritizing user privacy, security, and accessibility. Free€9+/month	0.2%
6	AWS WAF Captcha Seattle, Washington, United States A feature of the AWS WAF web application firewall that helps protect web applications by requiring requests that match specific criteria to solve a captcha puzzle or silent challenge before proceeding. $$$	0.05%
7	GeeTest Wuhan, China A Chinese provider of CAPTCHA and bot management solutions. $$$	0.02%
8	MTCaptcha Mountain View, California, United States A GDPR and WCAG compliant enterprise captcha service. Free tier$29+/month	0.02%

👉 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 38,380 websites from the Czech Republic.
We currently track the presence of 13 captcha services across the web.
Of these, 8 were detected on websites from the Czech Republic.
Statistics were last calculated on May 14, 2026.
For more details, see our methodology and disclaimer.