Contact CAPTCHArena
How to reach CAPTCHArena with corrections, re-test requests, vendor questions and security reports. A contact email is coming.
Facts on this page checked 2026-11-03
What we want to hear about
- Corrections. A fact that is out of date or wrong. Every page shows when its facts were checked.
- Re-test requests. Authors of a published CAPTCHA design who want it re-tested against current agents.
- Vendors. Permission to test your real widget with agents on our domain, or a correction to your fact sheet. You will see results about your product before they are published.
- Site owners and agent builders. The question you need the scoreboard to answer.
Security reports
If you find a security problem on this site or on the measurement page, please report it privately through the address that will appear on this page, and do not post details publicly first. Our security.txt points here.