# Adding CAPTCHA protection to a Joomla site

> Reduce spam and bot submissions on your Joomla site with the free OSOLCaptcha plugin or Google reCAPTCHA.

Source: https://helpcenter.ruachost.com/apps/joomla/adding-captcha-protection-to-a-joomla-site/

CAPTCHA protection helps secure your Joomla site by reducing spam and blocking automated bots. On **ruachost.com**, you can add CAPTCHA functionality using free plugins such as **OSOLCaptcha**, or by enabling Google reCAPTCHA.

## Why Use CAPTCHA?

- Prevents automated spam registrations and form submissions.
- Protects login, registration, and contact forms.
- Adds an extra layer of security to your Joomla site.

## Method 1: Using OSOLCaptcha (Free, No Registration Required)

1. ### Download the Plugin

   - Visit the OSOLCaptcha GitHub page.
   - Click **Download ZIP** and save the file to your computer.
2. ### Install the Plugin

   - Log in to Joomla as an **administrator**.
   - Go to **Extensions → Manage → Install**.
   - Select the **Upload Package File** tab.
   - Browse and upload the ZIP file.
   - Joomla installs the plugin.
3. ### Enable the Plugin

   - Go to **Extensions → Plugins**.
   - Filter by **System**.
   - Locate **System – osolCaptcha**.
   - Change the status to **Enabled**.
4. ### Configure the Plugin

   - Click **System – osolCaptcha** to adjust styling and options.
   - Save changes.
5. ### Test CAPTCHA

   - Visit your site’s **login, registration, password reset, username reminder, or contact forms**.
   - Confirm CAPTCHA is displayed and working.

## Method 2: Using Google reCAPTCHA

1. ### Generate reCAPTCHA Keys

   - Visit Google reCAPTCHA Admin Console.
   - Register your domain and obtain **Site Key** and **Secret Key**.
2. ### Enable reCAPTCHA in Joomla

   - Log in to Joomla Administrator.
   - Go to **Extensions → Plugins**.
   - Locate **Captcha – reCAPTCHA**.
   - Enter your Site Key and Secret Key.
   - Enable the plugin.
3. ### Set Default CAPTCHA

   - Go to **System → Global Configuration → Default Captcha**.
   - Select **Captcha – reCAPTCHA**.
   - Save changes.

## Important Notes

- Always back up your site before installing new plugins.
- CAPTCHA should be applied to all public forms to maximize protection.
- For accessibility, consider using reCAPTCHA v2 “I’m not a robot” or reCAPTCHA v3 (invisible).