Header Logo
  • English
    • Spanish
  • Marketing Challenges
    • Strategy Challenges
      • More Leads
      • Better Leads
      • Lower Lead Cost
      • Faster Cycle
      • Customer Expansion
    • General Challenges
      • Integrations
      • Automate Processes
    • Better Data and Utilization
  • Our Solutions
    • Marketo Implementation
    • CRM Integration
    • Marketo Audit
    • Consultancy Services
    • Marketo Training
    • Data and Reporting
    • Flowsteps.io
  • Marketo
  • Academy
    • Webinars
    • Blog
    • Guides
  • About Us
    • Careers
  • Contact Us
  • Request Demo
  • English
    • Spanish
  • Marketing Challenges
    • Strategy Challenges
      • More Leads
      • Better Leads
      • Lower Lead Cost
      • Faster Cycle
      • Customer Expansion
    • General Challenges
      • Integrations
      • Automate Processes
    • Better Data and Utilization
  • Our Solutions
    • Marketo Implementation
    • CRM Integration
    • Marketo Audit
    • Consultancy Services
    • Marketo Training
    • Data and Reporting
    • Flowsteps.io
  • Marketo
  • Academy
    • Webinars
    • Blog
    • Guides
  • About Us
    • Careers
  • Contact Us
  • Request Demo
Academy | Blog post

Your Step-By-Step Guide To Integrating reCAPTCHA v3 In Marketo

10 December, 2024

|

Alba Fernández

|

Estimated 5 minutes read

Overview

In digital marketing, data quality is everything. Forms exposed to bots and spam quickly fill your database with fake leads, which reduces campaign effectiveness and wastes resources. Having a clean database is essential.
With reCAPTCHA v3, you can safeguard your database in Marketo, ensuring that only genuine leads reach your sales team. In this guide, you can learn how to implement it to protect your leads, optimize your data strategy, and maximize your results.

There are the key benefits of reCAPTCHA v3:

  • Protection against spam and bots – it filters out low-quality leads.
  • Clean data – it simplifies segmentation and boosts ROI.
  • Optimized user experience – no visual captchas and higher conversion rates.
  • 1. Why choose reCAPTCHA v3 for Marketo?
  • 2. How to set up reCAPTCHA v3 in Marketo
  • 3. Success stories: using reCAPTCHA v3 to enhance Marketo
  • 4. Best practices for implementing reCAPTCHA v3 in Marketo
  • 5. Protect forms and maximize results with reCAPTCHA v3

Why choose reCAPTCHA v3 for Marketo?

Unlike previous reCAPTCHA versions that required users to solve puzzles or select images, reCAPTCHA v3 works in the background and automatically assigns a risk score to each submission. The user doesn’t have to do anything extra, they simply complete the form without interruption. 

This more streamlined approach improves the user experience, helping to boost conversion rates and enhance your brand perception. It also leaves you with clean data, which is beneficial for three main reasons:

  1. Precise segmentation and personalization: With real leads, campaigns can be tailored to genuinely interested segments.
  2. Resource and time savings: A clean database allows your sales team to focus on high-potential leads, saving time, and cutting costs.
  3. Higher ROI and conversion: High-quality data makes campaigns more effective, increasing ROI and the likelihood of converting leads into customers.

How to set up reCAPTCHA v3 in Marketo

To integrate reCAPTCHA v3 in your Marketo forms, follow these steps:

1. Obtain reCAPTCHA v3 Keys

  • Go to the Google reCAPTCHA site and sign up in the reCAPTCHA Admin Console.
  • Register your site and select the option for reCAPTCHA v3.
  • Obtain your ‘site key’ and ‘secret key’. You’ll need these keys to connect reCAPTCHA to Marketo.

2. Add the Keys to Marketo

  • Log in to Marketo and go to the ‘Admin’ section.
  • In the left-hand menu, find and select ‘CAPTCHA Integrations’.

  • Enter the reCAPTCHA keys you received from Google in the respective fields: ‘Site Key’ and ‘Secret Key’.

  • Save the changes to activate these settings.

3. Configure reCAPTCHA on the Marketo Form

  • Open the form editor in Marketo and select the form you want to protect with reCAPTCHA.

  • In the form editing area, click on ‘Settings’.

  • Select the ‘Enable reCAPTCHA’ option to apply reCAPTCHA v3 protection to that specific form.

  • Save the form with the changes applied.

4. Set the reCAPTCHA v3 Score Threshold

  • reCAPTCHA v3 assigns a risk score to each form submission, from 0.0 to 1.0, with a higher score indicating a lower risk of spam.
  • Set an appropriate threshold in the reCAPTCHA Admin Console. For example, 0.5 is commonly used for a balance between security and user experience.

5. Test and Verify the Configuration

  • Test the form to confirm that reCAPTCHA v3 is working correctly.
  • Make sure to test on different devices and browsers to ensure reCAPTCHA doesn’t impact user experience and that only genuine leads are being registered in your database.

For more details, you can visit Adobe Documentation


Success stories: using reCAPTCHA v3 to enhance Marketo

Here are four use cases that demonstrate how you can use reCAPTCHA v3 to enhance Marketo:

1. Reduce spam in the B2B sector

  • Situation: A tech company receives a large volume of spam through contact forms, which affects database quality and complicates lead follow-up.
  • Solution: Implement reCAPTCHA v3 in Marketo forms and adjust the threshold to allow only high-probability leads.
  • Results: Spam reduced by 80% or more, enabling the sales team to focus on authentic, high-value leads, and improving both time management and ROI.

2. Avoid filtering legitimate leads in a marketing agency

  • Situation: A marketing agency notices its initial reCAPTCHA threshold filters out some legitimate leads, especially those from shared networks or VPN users.
  • Solution: Adjust the risk threshold to accept certain risk levels and monitor results.
  • Results: Enhanced spam protection without losing legitimate leads, enabling more precise segmentation and personalization.

3. Improve segmentation in e-commerce 

  • Situation: An e-commerce business struggles with low-quality leads and wants to improve campaign personalization.
  • Solution: Implement reCAPTCHA v3 in forms and use the risk score as a segmentation criterion in Marketo.
  • Results: Conversion rates improve by up to 15% as campaigns become more relevant and personalized, enhancing customer retention.

4 Improve user experience in a service company

  • Situation: A service company wants to avoid double opt-in to reduce lead loss in the confirmation process.
  • Solution: Replace the double opt-in with reCAPTCHA v3 to block fake leads without impacting user experience.
  • Results: Conversion rates increase by up to 20%, offering a smoother user experience while ensuring high-quality leads.

Best practices for implementing reCAPTCHA v3 in Marketo

Here are some best practices for achieving hassle-free implementation:

  1. Assess the need for reCAPTCHA in your forms
    • Not all forms need reCAPTCHA. Focus on contact, subscription, or lead generation forms, which are most vulnerable to spam.
  2. Set an appropriate and adjustable score threshold
    • Start with a medium threshold (e.g., 0.5) and adjust based on results. Regularly analyze the leads you’re capturing to refine the threshold as needed.
  3. Test on different devices and browsers
    • Ensure that the user experience is smooth. Test your forms across various devices, browsers, and locations to confirm reCAPTCHA’s functionality and accessibility.
  4. Regularly monitor results
    • Use Marketo dashboards to track the number of leads accepted and rejected. This helps you adjust the threshold based on user behavior.
  5. Consider the impact on user experience
    • Although reCAPTCHA v3 works in the background, reduce the threshold or explore additional options if legitimate leads are getting filtered.
  6. Use the reCAPTCHA score for lead segmentation
    • Set up Marketo flows where leads with intermediate risk scores receive educational content before entering a full sales funnel.
  7. Review reCAPTCHA key configuration
    • Register the correct domains in your reCAPTCHA account to avoid technical errors and ensure proper communication between reCAPTCHA and Marketo.
  8. Inform your sales and marketing teams
    • Make sure your team understands how reCAPTCHA works and how to interpret risk scores to adapt their strategies.
  9. Set clear error messages for users
    • If reCAPTCHA blocks a submission, display a friendly message like: ‘The form couldn’t be completed. Please try again’. This improves user experience and reduces frustration.
  10. Establish metrics to evaluate implementation success
    • Define clear KPIs, such as spam reduction or conversion rate improvements, to assess reCAPTCHA’s impact on your campaigns.

Protect forms and maximize results with reCAPTCHA v3

Implementing reCAPTCHA v3 in Marketo not only protects you against spam and bots but also improves database quality and campaign efficiency. By optimizing your configuration and continually evaluating risk scores, you can build a strong base of high-quality leads. This supports better segmentation, increases ROI, and lets your sales and marketing teams focus on valuable leads.

Don’t let fake leads compromise your campaigns! Integrate reCAPTCHA v3 in Marketo to maintain a clean database, boost your marketing and sales performance, and make every lead count. Get started today and maximize your results. Contact us

SIGN UP FOR OUR NEWSLETTER

Alba Fernández

Marketing Automation Consultant at Kapturall

Alba transitioned from a background in business financials and accounting to the exciting world of Marketing Automation as a Consultant. As a two-time Marketo Certified Expert, she possesses a deep understanding of leveraging technology to optimize marketing strategies. Her experience working with clients across various industries enriched her professional journey, providing valuable insights and adaptability.

See LinkedIn Profile

Related Content

Image 1
How To Implement UTM Tracking In Marketo

UTM parameters track digital marketing performance and recognize each activity's impact.

Continue reading
01 April, 2024
Image 1
Marketo Dynamic Chat: The Key Tool for Dynamic Interactions

Marketo Dynamic Chat enhances real-time customer engagement through automated, personalized conversations. Integrated with Marketo Engage, it simplifies lead generation, event promotion, and data enrichment.

Continue reading
08 October, 2024

Previous Article
Back to Blog
Next Article

Kapturall Logo

Marketing, Technology and Data to create meaningful relationships that generate Sales.

Legal Statement   |   Privacy Policy   |   Cookies Policy   |   Diversity Policy

Office - +34 919 61 84 59

© 2025 Kapturall Solutions S.L. - All Rights Reserved

Social Media Logo 1 Social Media Logo 2 Social Media Logo 3