In today’s digital landscape, securing online forms is crucial against spam and malicious activity. Google ReCaptcha v3 seamlessly integrates spam detection into web forms, enhancing security without user interaction. This guide will help you integrate ReCaptcha v3 with Drupal 9, D10, and D11 websites, safeguarding your website’s forms while ensuring a seamless user experience.

Here’s a guide on how to add ReCaptcha v3 to Drupal 9/10/11:

1. Get Your ReCaptcha Site Key and Secret Key:

  • Go to the Google reCAPTCHA website https://www.google.com/recaptcha/ and sign in with your Google account.
  • Go to the Admin 3 Admin Console https://www.google.com/recaptcha/admin
  • Register your website to obtain the ReCaptcha site key and secret key.
  • Reference: Google ReCaptcha Documentation

2. Install the reCAPTCHA module:

  • Log in to your Drupal site as an administrator.
  • Go to Extend > Install new module and search for “reCAPTCHA” module.
  • Click on “Install” and then “Enable” to activate the module.
  • Reference: Drupal reCAPTCHA Module Documentation

3. Configure the reCAPTCHA module:

  • Go to Configuration > People > CAPTCHA and click on “Add CAPTCHA type”.
  • Choose “reCAPTCHA v3” as the CAPTCHA type.
  • Enter your ReCaptcha site key and secret key obtained from step 1.
  • Configure other settings such as the score threshold (recommended value is 0.5).
  • If preferred to show the reCAPTCHA v3 badge from the website frontend publicly, leave the checkbox Hide badge unchecked, or check if you want to hide the badge from public view
  • Reference: Drupal reCAPTCHA Module Documentation

4. Add an action under reCAPTCHA v3 actions

  • Go to CAPTCHA > reCAPTCHA Actions
  • Create an action name (e.g., “Form Submission”).
  • Set a score threshold. Scores range from 0.0 (likely bot) to 1.0 (likely human).

5. Add the Action to your CAPTCHA Settings

  • Go back to your CAPTCHA settings
  • Add that action under the “Default challenge type”

6. Test ReCaptcha Integration:

  • Once you’ve added ReCaptcha to your forms, test it by submitting the form.
  • Ensure that ReCaptcha validation works as expected and blocks spam submissions.

7. Monitor ReCaptcha Scores:

  • Keep an eye on the ReCaptcha scores for your forms to ensure they are effectively filtering out spam while allowing legitimate users to submit the form.
  • Adjust the score threshold if necessary to strike the right balance between security and user experience.

By following these steps and references, you can successfully integrate ReCaptcha v3 with Drupal 9/10 and enhance the security of your website’s forms.