⚡ Captchas in the United Kingdom

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 United Kingdom of Great Britain and Northern Ireland (UK) is a Western European country with a population of over 67 million people.

According to our research, captcha services are used on 17.1% of websites from the United Kingdom.

⭐ Most Popular in 2026

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

The most popular is reCAPTCHA, which dominates the market with an overwhelming 76% share.
It is followed by hCaptcha with 23.5% and Cloudflare Turnstile with 7.6%.

reCAPTCHA 76%
hCaptcha 23.5%
Cloudflare Turnstile 7.6%
Altcha 0.1%
Friendly Captcha 0.1%
AWS WAF Captcha 0.09%
Human Presence 0.02%
GeeTest 0.02%
Yandex SmartCaptcha 0.004%

🚀 Highlights

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

4. Altcha ^(-2)
6. AWS WAF Captcha ^(-1)
7. Human Presence ^(-5)

✨ Best Captcha Services

Below is a more detailed list of 9 captcha services used on sites from the United Kingdom, 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	76%
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	23.5%
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$$$	7.6%
4	Altcha Brno, Czech Republic An open-source, privacy-first, self-hosted captcha alternative that uses a proof-of-work mechanism to protect websites, APIs and online services from spam and unwanted content. FreeOpen source€24+/month	0.1%
5	Friendly Captcha Woerthsee, Germany A European captcha service that protects websites from bots and automated abuse while prioritizing user privacy, security, and accessibility. Free€9+/month	0.1%
6	AWS WAF Captcha Seattle, Washington, United States A feature of the AWS WAF web application firewall that helps protect web applications by requiring requests that match specific criteria to solve a captcha puzzle or silent challenge before proceeding. $$$	0.09%
7	Human Presence Greenville, South Carolina, United States Web security software that identified human website visitors through human behavior analysis and proprietary machine learning algorithms. Free$3.99+/month	0.02%
8	GeeTest Wuhan, China A Chinese provider of CAPTCHA and bot management solutions. $$$	0.02%
9	Yandex SmartCaptcha Moscow, Russia A captcha service from the Russian company Yandex. Free tier$0.80	0.004%

👉 See Also

🌎 Captchas in other countries

Data is based on the analysis of 157,493 websites from the United Kingdom.
Statistics were last calculated on March 30, 2026.
For details, see our methodology and disclaimer.