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How do you use Recaptcha in Joomla?

From Joomla! Documentation


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Native reCAPTCHA was added into Joomla in version Joomla 2.5. Using reCAPTCHA is a great way of preventing bots from making fake accounts and content on your site. There are four steps to setting up reCAPTCHA:

  1. Log in to your administrator back-end (How do I do this?)
  2. Go to your Plugin Manager. You can find this under the Extensions drop down menu in the top menu or in the Control Pannel page.
  3. Edit the Plugin Captcha - ReCaptcha
    • Set Status to Enabled
    • Copy and paste the Public and Private keys in their appropriate fields.
      • You will get the Public and Private keys by signing in with your Google account (create it if you don't have one) here: Create a reCAPTCHA key
      • Once you have register your website domain, Google will provide your ReCAPTCHA keys.
    • Click Save & Close
  4. To enable reCAPTCHA
    • For Contact forms and the Registration form
      • Go to Global Configuration, and select the Site tab.
      • Choose Captcha - ReCaptcha in the Default Captcha field.
      • Click Save & Close.
    • For the Registration form only
      • Go to the User Manager. You can find it under the Users top menu or in the Control Pannel page.
      • In the Component tab in the Options choose one of the following for the Captcha:
        • Use Default - that is the default setting and follows the Default Captcha field setting in your Global Configuration.
        • None Selected - that setting ignors the Default Captcha setting in Global Configuration. Use it when you want ReCAPTCHA in the Contact forms but not in the Registration form.
        • Captcha - ReCaptcha - Only needed if the Default Captcha in the Global Configuration is set to None Selected but you want the ReCAPTCHA not in Contact forms but in the Registration form.
      • Click Save & Close.

That's it! You're done!