You can shield your site against spam and bots with the excellent service of Google Captcha. This guide shows you how to integrate Google Captcha (V2) on your Webflow site. This guide shows you the right way to put in your secret and site keys, plus explains how to format Captcha better when accessed from phones using (data-size = compact). You can use the custom code to enable standard Captcha on Desktop while running the compact Captcha mode on mobile devices.

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<script>

document.addEventListener("DOMContentLoaded", function () {

  function updateRecaptchaSize() {

    // Select all elements with the 'data-size' attribute

    const recaptchas = document.querySelectorAll('[data-size]');

    if (recaptchas.length > 0) {

      const isMobile = window.matchMedia("(max-width: 767px)").matches; // Adjust breakpoint as needed

      // Update each reCAPTCHA's data-size attribute

      recaptchas.forEach(recaptcha => {

        recaptcha.setAttribute("data-size", isMobile ? "compact" : "normal");

      });

    }

  }

  // Run on load

  updateRecaptchaSize();

  // Run on resize

  window.addEventListener("resize", updateRecaptchaSize);

});

</script>

Google reCAPTCHA: How It Works and Why It’s Important for Your Website

What is Google CAPTCHA?

Google CAPTCHA serves as a security system which protects websites by verifying users' human nature. The verification system asks users to finish basic tasks such as identifying images or clicking boxes to demonstrate their human nature. The implementation of Google CAPTCHA blocks automated scripts from accessing your website which ensures its security and protects against spam.

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Why is Google CAPTCHA Important?

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1. Prevents Spam & Fraud

Google CAPTCHA stops automated scripts from completing forms together with submitting artificial comments and carrying out fraudulent activities. The automated scripts which attempt to exploit website functionalities are blocked by CAPTCHA.
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2. Enhances Website Security

Users face three major cyber threats known as brute force attacks as well as credential stuffing and data scraping. The anti-automation system CAPTCHA protects websites from potential risks through its blocking method.
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3. Protects User Data

The security of user accounts and sensitive information depends heavily on CAPTCHA because it enables blocking unauthorized access.

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Different Types of Google CAPTCHA
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1. reCAPTCHA v2

• The "I'm not a robot" box serves as the main user verification element.
• The process requires image-based verification in cases when suspicious activity is present.
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2. reCAPTCHA v3

• Works invisibly in the background.
• The system analyzes risks through user behavior to determine if the user remains human.
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3. reCAPTCHA Enterprise

• Advanced security features for businesses. Businesses can customize settings through this solution to handle their distinctive security requirements.

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How to Implement Google CAPTCHA on Your Website

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‍Step 1: Sign Up for reCAPTCHA

• Go to Google reCAPTCHA
• You should create an account on Google reCAPTCHA to acquire the necessary API keys for your website.
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Step 2: You should start by integrating CAPTCHA into your website

• Position the CAPTCHA script within the head element of your website.
• Update your form programming code to perform CAPTCHA security checks.
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Step 3: Verify Implementation

• Ensure that your CAPTCHA system operates properly by performing tests on it.
• Monitor settings to achieve proper security while maintaining user experience requirements.

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Best Practices for Using Google CAPTCHA

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Optimize for UX:

• • Implement user-friendly practices by reducing the number of CAPTCHA pop-ups which create frustration for users.

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Use reCAPTCHA v3:

Users benefit from using reCAPTCHA v3 because this version functions without interrupting their navigation experience.

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Regularly Monitor Logs:

Users should review log data to identify suspicious activities while adjusting CAPTCHA implementation parameters.