⚡ Captcha Services in the United Kingdom

CAPTCHA, which stands 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 by presenting challenges that are easy to solve for people but difficult for automated systems.

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 18.7% of websites from the United Kingdom.

Statistics based on 169K+ analyzed websites. About this data

⭐ 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 a substantial 71.5% share.
It is followed by hCaptcha with 27.7% and Cloudflare Turnstile with 10.8%.

reCAPTCHA 71.5%
hCaptcha 27.7%
Cloudflare Turnstile 10.8%
Altcha 0.2%
AWS WAF Captcha 0.1%
Friendly Captcha 0.1%
GeeTest 0.01%
Human Presence 0.01%
Yandex SmartCaptcha 0.006%
Cap 0.003%

🚀 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)
5. AWS WAF Captcha ^(-2)
7. GeeTest ^(-1)
8. Human Presence ^(-4)

✨ Best Captcha Services

Below is a more detailed list of 10 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	71.5%
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	27.7%
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$$$	10.8%
4	Altcha Brno, Czech Republic An open-source, privacy-first, self-hosted captcha alternative that uses a proof-of-work mechanism to protect websites, APIs, and online services from spam and unwanted content. FreeOpen source€99+/month	0.2%
5	AWS WAF Captcha Seattle, Washington, United States A feature of the AWS WAF web application firewall that helps protect web applications by requiring requests that match specific criteria to solve a captcha puzzle or silent challenge before proceeding. $$$	0.1%
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	0.1%
7	GeeTest Wuhan, China A Chinese bot management and CAPTCHA platform that uses behavioral analysis, machine learning, and device fingerprinting to distinguish human users from automated traffic. $$$	0.01%
8	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	0.01%
9	Yandex SmartCaptcha Moscow, Russia A captcha and bot protection service from the Russian technology company Yandex. Free tier$0.80	0.006%
⏳	Cap Lisbon, Portugal An open-source, self-hosted reCAPTCHA alternative that verifies visitors without visual puzzles, tracking, or third-party services. FreeOpen source	0.003%

👉 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 169,969 websites from the United Kingdom.
We currently track the presence of 14 captcha services across the web.
Of these, 10 were detected on websites from the United Kingdom.
Statistics were last calculated on August 13, 2026.
For more details, see our methodology and disclaimer.