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Captcha Validation

CAPTCHA Validation

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 v7

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 module CAPTCHA element configuration screenshot v7

Ž3. Edit/configure:


Select Standard

Characters For Captcha Use

Enter appropriate characters to used to generate list for the user to enter.

Height (px)

Enter an appropriate value.

Width (px)

Enter an appropriate value.

Font Size

Enter an appropriate value.

Number of Characters to Display

Enter the appropriate number of characters to be displayed to the end user.


ReCAPTCHA is an accessible, audio version of CAPTCHA.

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

Forms element ReCAPTCHA configuration screenshot v7

2. Edit/configure:   


Select the required version of RECAPTCHA.

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.