⚡ Captchas in Luxembourg

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.

Luxembourg is a Western European country with a population of over 660 thousand people.

According to our research, captcha services are used on 12.7% of websites from Luxembourg.

⭐ Most Popular in 2026

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

The most popular is reCAPTCHA, which dominates the market with an overwhelming 84.2% share.
It is followed by hCaptcha with 11.4% and Cloudflare Turnstile with 11.2%.

🚀 Highlights

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

✨ Best Captcha Services

Below is a more detailed list of 6 captcha services used on sites from Luxembourg, 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
MTCaptcha
Mountain View, California, United States

A GDPR and WCAG compliant enterprise captcha service.

Free tier$29+/month
5
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
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

👉 See Also

🗃️ About This Data