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What is CTR Fraud?

CTR fraud involves bots clicking on paid ads to inflate performance metrics or drain competitor ad budgets.

Why It Matters

Marketers waste ad spend and get skewed analytics. Platforms lose trust in their traffic quality.

How Prosopo Can Help

Procaptcha distinguishes between real users and bots, protecting ad platforms from fraudulent click activity.

Register your application to deploy bot prevention where it counts.

More from Prosopo

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Trusted by companies of all sizes

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100M+
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Our customers love us

Hundreds of businesses have made the switch from reCAPTCHA and hCaptcha to us. Here's what they have to say.

T
Tyler
Finally, a CAPTCHA That Actually Works
After bots repeatedly bypassed both Google reCAPTCHA and Cloudflare Turnstile on our sites, we switched to Prosopo—and the difference was immediate. We haven’t seen a single bot submission since. Highly recommend giving it a try!
21 Mar 2025
T
Theo
Prosopo's CAPTCHA widget
I've installed Prosopo's CAPTCHA widget on my website to filter out spam from my contact form. Getting it working was a little bit tricky but the support from Chris has been first class.
I wanted to use a CAPTCHA which was as easy as possible for my website's visitors while respecting their privacy and which didn't use cookies. Prosopo's CAPTCHA meets all these criteria.
Update - after more than a week I haven't had a single spam form submission.
31 Mar 2025
D
Damjan
Amazing experience
Switching to Prosopo's Procaptcha was a massive improvement over other solutions we've previously tried which include hCaptcha and reCaptcha.

We managed to greatly reduce the friction and churn rate of our users
29 Apr 2025