⚡ 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 22.1% 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 with a substantial share of 61.4%, followed by
hCaptcha with 38% and Cloudflare Turnstile with 15.2%.
🚀 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.
AWS WAF Captcha (-3) - 5.
Altcha (-1)
- 7.
GeeTest (-1) - 8.
Cap (-4) - 9.
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.
🗃️ 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 184,250 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 .
- For more details, see our methodology and disclaimer.