How to add a CAPTCHA to your website or blog


Hey friends, I know you all have seen CAPTCHAs when you are browsing internet.But do you know how to add a CAPTCHA to your web site or blog to reduce spam.If you don’t know..keep reading this..

CAPTCHA stands for “Completely Automated Public Turing test to tell Computers and Humans Apart“. :O

According to Wikipedia

CAPTCHA is a type of challenge-response test used in computing to ensure that the response is not generated by a computer. The process usually involves one computer (a server) asking a user to complete a simple test which the computer is able to generate and grade. Because other computers are unable to solve the CAPTCHA, any user entering a correct solution is presumed to be human.

here is the link. Go and read by yourself. 🙂

I was asked to integrate a CAPTCHA for the web portal we are working on. Luckily I found a very helpful project called reCAPTCHA which is originally developed at Carnegie Mellon University.

Here is a part of my test project to integrate a CAPTCHA to a form. Just have a look … 🙂

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