Learn how to build Google Captcha in Webflow with clear step-by-step instructions, perfect for freelancers, designers, and Webflow beginners looking to lev
<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 is a free tool that protects your Webflow forms from spam and abuse. It works by detecting suspicious activity and requiring users to verify they are human. Whether you're getting spam messages from bots or want to add an extra layer of security, reCAPTCHA is an essential add-on.
Google reCAPTCHA analyzes user behavior in the background and sometimes presents a challenge (like "I'm not a robot" checkboxes or image-based tests). You can choose between reCAPTCHA v2 (checkbox) and v3 (invisible scoring system) depending on your site needs.
Here’s how to integrate reCAPTCHA with your Webflow forms:
For full implementation including code examples, watch the video tutorial above or follow the step-by-step guide in the blog.
reCAPTCHA is lightweight and does not negatively impact SEO. However, reCAPTCHA v3 loads an external script, so make sure to lazy-load it if your form isn't above the fold. This keeps your Webflow site fast and user-friendly.
After setting up reCAPTCHA:
If you want custom Webflow development or assistance implementing Google reCAPTCHA, contact me directly. I offer fast turnarounds and SEO-friendly Webflow builds.
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "What version of Google reCAPTCHA should I use in Webflow?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Use reCAPTCHA v2 for checkbox verification or v3 for seamless, invisible protection. Both can be integrated with Webflow depending on your needs."
}
},
{
"@type": "Question",
"name": "Do I need to pay to use Google reCAPTCHA?",
"acceptedAnswer": {
"@type": "Answer",
"text": "No, Google reCAPTCHA is free to use on your website. However, usage limits may apply for extremely high traffic sites."
}
},
{
"@type": "Question",
"name": "Can I add reCAPTCHA without coding in Webflow?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Yes, basic integration is possible via HTML Embed and Zapier or Make. Full verification still requires a backend (Zapier webhook or custom code)."
}
},
{
"@type": "Question",
"name": "Why is my Webflow form still getting spam even with reCAPTCHA?",
"acceptedAnswer": {
"@type": "Answer",
"text": "You may need to adjust your CAPTCHA version, or add additional filters like honeypots or rate limiting."
}
},
{
"@type": "Question",
"name": "Will reCAPTCHA slow down my Webflow site?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Not significantly. reCAPTCHA scripts are lightweight, but lazy-load if not critical to improve page speed."
}
}
]
}
</script>
