In this sample page, I show a 'CAPTCHA'. This widely used technology is often used to stop spammer robots from creating accounts on a website.

See if you can solve its 'challenge'!. This sample has been updated to use AJAX and the Jquery library.
Get a different one.

This rather simple example can only be completed by those who do not have visual impairments,
but there are audio variants. I currently don't have such a sample on my site.

This sample uses the Securimage libary. This libary can be downloaded here