EchoFilter vs Simple CAPTCHA with Cloudflare Turnstile

EchoFilter protects your WordPress forms from bots and spam using behavioral biometrics — analyzing mouse movement, typing patterns, and timing to distinguish real users from automated submissions. How it works: Install the plugin and enter your EchoFilter API key EchoFilter silently analyzes every visitor’s behavior On form submit, it scores the session (0–100 TrustScore) Bots get blocked. Real users get through instantly. No CAPTCHAs. No friction. No false positives. Compatible with: Contact Form 7 WPForms Gravity Forms Elementor Forms Ninja Forms Any standard HTML form Three protection modes: Block — Bot submissions are rejected with an error message (recommended) Flag — Bot submissions go through but with a hidden _echofilter_bot=1 field Log — Monitor mode: all submissions allowed, bots logged in your dashboard External Services This plugin connects to echofilter.com to analyze form submissions and load the detection SDK. This is the core functionality of the plugin and cannot be disabled while the plugin is active. What is sent: * Behavioral signals: mouse movement patterns, keystroke timing, form fill duration * Whether a paste action was detected * A one-way hash of the visitor’s IP address (raw IP is never stored or transmitted) * User-agent string What is NOT sent: * Form field values or any user-submitted content * Names, emails, or any personally identifiable information from your visitors When data is sent: Data is transmitted only when a visitor submits a form on your site and you have entered a valid API key. External service links: * Service: echofilter.com * Terms of Service: echofilter.com/terms * Privacy Policy: echofilter.com/privacy

Easily add Cloudflare Turnstile to all your WordPress website forms to protect them from spam! A user-friendly, privacy-preserving reCAPTCHA alternative. 100% free! Supported Forms You can currently enable Turnstile on the following forms: WordPress Login Form Registration Form Password Reset Form Comments Form WooCommerce Checkout Pay For Order Account Details Form Login Form Registration Form Password Reset Form Form Plugins WPForms Fluent Forms Contact Form 7 Gravity Forms Formidable Forms Forminator Forms Jetpack Forms Kadence Forms SureForms Other Integrations Elementor Pro Forms Easy Digital Downloads Forms Paid Memberships Pro Forms Mailchimp for WordPress Forms MailPoet Forms BuddyPress Registration Form bbPress Create Topic & Reply Forms MemberPress Forms Ultimate Member Forms WP-Members Forms WP User Frontend Forms WP User Manager Forms wpDiscuz Comments Form CheckoutWC & Flux Checkout Sunshine Photo Cart This plugin is also compatible with WordPress Multisite, and most two-factor authentication (2FA) plugins. Other Features The plugin includes several other features and options: Theme: Select the default theme for Turnstile. Language: Set the default language for Turnstile. Appearance Mode: Choose if Turnstile is always displayed, or only when an interaction is required. Disable Submit Button: Disable the submit button on forms until the Turnstile challenge is completed. Custom Error Message: Set your own custom error message for failed submissions. Whitelist: Prevent Turnstile from showing for logged in users, or certain IP addresses (wildcards are not supported). Resource Hint (Preconnect): Option to enable resource hint preconnect for improved performance. Failsafe Mode: Option to enable failsafe mode. When Cloudflare is down, this mode will either allow submissions, or fallback to reCAPTCHA. Debug Logging: Enable debug logging of Turnstile form submission events to help with troubleshooting. Getting Started It’s super quick and easy to get started with Cloudflare Turnstile! Simply generate a “site key” and “secret key” in your Cloudflare account, and add these in the plugin settings page. Select which forms Turnstile should be added to and click save. Finally, click the “TEST API RESPONSE” button to make sure the Turnstile API response is working OK. A new Cloudflare Turnstile challenge will then be displayed on your selected forms to protect them from spam! For more detailed instructions, please see our setup guide. What is Cloudflare Turnstile? Cloudflare Turnstile delivers frustration-free, CAPTCHA-free web experiences to website visitors. Turnstile is an anti-spam filter that stops abuse and confirms visitors are real without the data privacy concerns or awful UX that CAPTCHA thrusts on users. Learn more here: https://www.cloudflare.com/en-gb/products/turnstile/ Is it free to use? Yes, this plugin is completely free with no paid version, and does not include any additional data tracking. Cloudflare Turnstile is also a completely free service. Plugin Languages Currently available in 14 languages. Thank you to all the contributers! If you would like to help contribute translations, please click here. Other Information For help & suggestions, please create a support topic. Follow the developer @ElliotSowersby on Twitter. View on GitHub Support The Plugin If you would like to support the continued development and support of this plugin, you can make a donation. Trademark Notice Cloudflare, the Cloudflare logo, and Cloudflare Workers are trademarks and/or registered trademarks of Cloudflare, Inc. in the United States and other jurisdictions. This plugin is not affiliated with, endorsed, or sponsored by Cloudflare, Inc.