What technology do you support?
So far, only PHP and Java are supported on the backend.
In both versions the viewer needs a website in order to place the CaptchaAd, as well as Flash plug-in version 10 or higher. That’ll get you your CaptchaAd.
Users will also need to have JavaScript installed.
Should one of these two conditions not be met, reCAPTCHA kicks in, providing a minimum of security.