⚡ Spam Protection in Luxembourg

Anti-spam software is a variety of tools that protect websites from automated bots and malicious content.

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

According to our statistics, spam protection software is used on 17.8% of websites from Luxembourg.

Statistics based on 3K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top spam protection software in Luxembourg in 2026, based on market share.

The most popular is reCAPTCHA, which dominates the market with an overwhelming 63.5% share.
It is followed by hCaptcha with 16.9% and Cloudflare Turnstile with 16.9%.

reCAPTCHA 63.5%
hCaptcha 16.9%
Cloudflare Turnstile 16.9%
Cloudflare Email Obfuscation 10.8%
Altcha 6.7%
CleanTalk 1.7%
Akismet 1.2%
MTCaptcha 0.3%
Friendly Captcha 0.2%
Cap 0.2%

🚀 Highlights

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

2. hCaptcha ^(-1)
3. Cloudflare Turnstile ^(-1)
5. Altcha ^(-4)
8. MTCaptcha ^(-4)
10. Cap ^(-5)

✨ Best Spam Protection Software

Below is a more detailed list of 10 spam protection software solutions used on sites from Luxembourg, 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	63.5%
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	16.9%
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$$$	16.9%
4	Cloudflare Email Obfuscation San Francisco, California, United States A Cloudflare Scrape Shield security feature that encrypts email addresses in HTML to hide them from harvesting bots and keep them visible and clickable for human visitors. Free$25+/month	10.8%
5	Altcha Brno, Czechia 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	6.7%
6	CleanTalk Carson City, Nevada, United States A cloud-based anti-spam service that protects websites from automated spam in online forms, comments, and registrations. $12+/year	1.7%
7	Akismet San Francisco, California, United States A comment spam filtering service originally developed for WordPress that can also be integrated with other CMS and forums. Free$14.95/month	1.2%
8	MTCaptcha Mountain View, California, United States An enterprise captcha service that provides bot detection and human verification with a focus on GDPR compliance and accessibility. Free$29+/month	0.3%
9	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%
10	Cap Lisbon, Portugal An open-source, self-hosted reCAPTCHA alternative that verifies visitors without visual puzzles, tracking, or third-party services. FreeOpen source	0.2%

👉 See Also

🌎 Spam Protection 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 3,284 websites from Luxembourg.
We currently track the presence of 18 spam protection software solutions across the web.
Of these, 10 were detected on websites from Luxembourg.
Statistics were last calculated on November 12, 2026.
For more details, see our methodology and disclaimer.