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).
Ukraine is an Eastern European country with a population of around 38 million people.
According to our research, captcha services are used on 9.2% of websites from Ukraine.
⭐ Most Popular in 2026
The following chart shows the top captcha services in Ukraine in 2026, based on market share.
The most popular is reCAPTCHA, which dominates the market with an overwhelming 94.1% share. It is followed by hCaptcha with 4.1% and Cloudflare Turnstile with 3.3%.
Here is a list of the top services that are more popular in Ukraine than worldwide.
Differences between global and country rankings are shown in parentheses.