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Captcha Validation

CAPTCHA Validation

A CAPTCHA is a program that protects websites against bots by generating and grading tests that humans can pass but current computer programs cannot. A typical example of CAPTCHA in use is:

Forms element captcha example screenshot

CAPTCHA Form Element

1. Drag and drop the CAPTCHA element into the appropriate location:

Forms module CAPTCHA element icon

2. Configure the element. The following view will be displayed:

Forms modiule CAPTCHA element configuration screenshot

Ž3. Edit/configure:


Select Standard

Characters For Captcha Use

Enter appropriate characters.

Height (px)

Enter an appropriate value.

Width (px)

Enter an appropriate value.

Font Size

Enter an appropriate value.

Number of Characters to Display

Enter an appropriate value.


ReCAPTCHA is an accessible, audio version of CAPTCHA.

1. Select the ReCAPTCHA mode. The following view will be presented:

Forms element ReCAPTCHA configuration screenshot

2. Edit/configure:

Public Key

Enter an appropriate API key.

Private Key

Enter an appropriate API key.

Note: API keys are available via Google Webmaster tools.


Select an appropriate option.



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