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Sep 30

Click-In that Captcha

Wed, 09/30/2009 - 05:39 — julie

Tired of the old Type-In Captcha? If so, learn how to build a unique type of “click-in” captcha in this tutorial.

Download the Source


This tutorial is inspired by Zac Vineyard’s “Build Your Own Captcha and Contact Form” on Nettuts+, although what we’ll accomplish here is a very unique way of implementing a captcha. One of the advantages of this kind of implementation is that it gets rid of the need to retain several hundreds or even thousands of images in your server.


In this tutorial, the objective is to make a ‘click-in’ captcha.

We’ll be needing two images:

The captcha image:


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