KeyCAPTCHA

<h4>Free Variants of Using WordPress CAPTCHA – KeyCAPTCHA</h4>
<ol>
<li>Anti-spam protection. Social advertising. Monetization through commercial ads.</li>
<li>Anti-spam protection. Monetization through commercial ads.</li>
<li>Anti-spam protection. Social advertising.</li>
<li>Anti-spam protection without any ads.</li>
</ol>
<h4>Social Features:</h4>
<p>You may support charity funds by enabling social advertising in our CAPTCHA.<br />
Also you can earn money by specifying social and commercial advertising shares in CAPTCHA on your website.</p>
<h4>KeyCAPTCHA Unique Technologies</h4>
<ul>
<li>Instead of guessing symbols, our WordPress CAPTCHA offers visitors to complete an easy interactive task.</li>
<li>If CAPTCHA hasn’t been solved correctly, page refreshing doesn’t take place that allows the user not to fill in the form repeatedly. It occurs since there is an initial checkup of CAPTCHAs in our CAPTCHA servers before sending a filled-in form to the protected web server.</li>
<li>Our CAPTCHA also can be used even if your hosting provider blocks all outgoing connections.</li>
</ul>
<h4>Effective Anti-Spam Protection</h4>
<ul>
<li>The geo-cluster is used to operate our CAPTCHA service. Our geo-cluster includes the servers located in diverse European data centers. Some servers are in the special DDoS stable data centers in Switzerland to ensure trouble-free 24x7x365 mode service operation.</li>
<li>Our CAPTCHA blocks spammers using anonymizers or anonymous HTPP proxies to distribute a hand spam.</li>
<li>There is no info of correct CAPTCHA solution in the visitor’s browser.</li>
<li>CAPTCHA verification is processed by the our CAPTCHA servers.</li>
<li>Data transferring between your web server, the visitor’s browser and our CAPTCHA servers is protected by a digital signature.</li>
<li>112 to 165 bit variable length password is used to generate a digital signature.</li>
<li>Our CAPTCHA is a code executable in the visitor’s browser. It is not a static image as used in typical CAPTCHAs.</li>
<li>Having received our CAPTCHA, it’s virtually impossible to transfer it to third parties in order to run any task what spammers also do bypassing typical CAPTCHAs.</li>
<li>Probability of guessing the answer by submitting a random solution is 1 to 30,000,000.</li>
<li>CAPTCHA-used images are transferred encryptedly.</li>
</ul>
<h4>Integration with WordPress</h4>
<p>Our CAPTCHA protects the following forms:</p>
<ul>
<li>Registration form</li>
<li>Comment form</li>
<li>Login form</li>
<li>Lost password form</li>
<li>Contact Form 7</li>
</ul>
<p>Compatibility and Features:</p>
<ul>
<li>Supports Trackbacks and Pingbacks</li>
<li>Our CAPTCHA is compatible with BuddyPress plugin</li>
<li>Our CAPTCHA supports two operating modes: Flash and HTML5. HTML5 CAPTCHA mode is used in most modern browsers, such as Mozilla FireFox, Google Chrome, Safari, and also used in iPhone and iPad. The Flash mode has been developed to be used in Internet Explorer and Opera. While loading, CAPTCHA identifies its operating mode depending on the visitor’s browser.</li>
</ul>
<h4>ATTENTION</h4>
<p>To install our WordPress CAPTCHA you should follow instructions in Installation tab. Otherwise the CAPTCHA won’t work correctly.</p>
<h4>KeyCAPTCHA Affiliate Program</h4>
<p>KeyCAPTCHA Affiliate Program allows publishers as well as any Internet user to collect incomes. For more information on The KeyCAPTCHA Affiliate Program, go to http://keycaptcha.wordpress.com/captcha-for-site-owners/affiliate-program/</p>
<h3>ATTENTION</h3>
<p>To install our CAPTCHA you have to follow instructions in Installation tab. Otherwise the CAPTCHA won’t work correctly.</p>
<h3>KeyCAPTCHA Translation</h3>
<ul>
<li>Our CAPTCHA is available in Armenian</li>
<li>Our CAPTCHA is available in Bulgarian</li>
<li>Our CAPTCHA is available in Chinese</li>
<li>Our CAPTCHA is available in Czech</li>
<li>Our CAPTCHA is available in Danish</li>
<li>Our CAPTCHA is available in Dutch</li>
<li>Our CAPTCHA is available in English</li>
<li>Our CAPTCHA is available in Estonian</li>
<li>Our CAPTCHA is available in French</li>
<li>Our CAPTCHA is available in German</li>
<li>Our CAPTCHA is available in Greek</li>
<li>Our CAPTCHA is available in Hebrew</li>
<li>Our CAPTCHA is available in Hungarian</li>
<li>Our CAPTCHA is available in Italian</li>
<li>Our CAPTCHA is available in Lithuanian</li>
<li>Our CAPTCHA is available in Norwegian</li>
<li>Our CAPTCHA is available in Portuguese</li>
<li>Our CAPTCHA is available in Polish</li>
<li>Our CAPTCHA is available in Romanian</li>
<li>Our CAPTCHA is available in Russian</li>
<li>Our CAPTCHA is available in Slovak</li>
<li>Our CAPTCHA is available in Spanish</li>
<li>Our CAPTCHA is available in Swedish</li>
</ul>


KeyCAPTCHA – Social WordPress CAPTCHA

See this otherview (rus): https://intsystem.org/captcha/vzlom-keycaptcha/



It is unsecure

Our captcha is the free unique anti-spam solution. This captcha does not require any text typing. Moreover, the captcha contains social features.

Freemius

Melapress

WPWhiteSecurity

WPKube

<h4>IMPORTANT NOTICE</h4>
<p>CAPTCHA 4WP has been acquired by WPKube. <a href="https://melapress.com/captcha-4-wp-plugin-acquired-by-wpkube/" rel="nofollow ugc">Read the announcement</a> for more information.<br />
We, at Melapress, would like to take this opportunity to thank everyone who has used and supported CAPTCHA 4WP.</p>
<h3>A free and easy-to-use CAPTCHA plugin for WordPress</h3>
<p>Protect your WordPress forms and login pages from spam and automated attacks with <a href="https://captcha4wp.com/" rel="nofollow ugc">CAPTCHA 4WP</a>. Choose from multiple ReCAPTCHA versions and strike the right balance between security and user experience.</p>
<p><a href="https://captcha4wp.com/features/" rel="nofollow ugc">Features</a> | <a href="https://captcha4wp.com/pricing/" rel="nofollow ugc">Get the Premium!</a> | <a href="https://captcha4wp.com/docs/getting-started-with-captcha-4wp/" rel="nofollow ugc">Getting Started</a></p>
<p>Use the CAPTCHA 4WP plugin to add CAPTCHA checks to WordPress forms and logins. Choose from V2 (I’m not a robot), V2 Invisible, and V3 noCAPTCHA to ensure the best user experience at all times without compromosing security. Avoid false positives falling through the crack with V3 failover to ensure humans can still pass the test even if the result comes back below the passmark.</p>
<h3>CAPTCHA 4WP key plugin features and capabilities</h3>
<ul>
<li>Add CAPTCHA to WordPress native forms such as login pages, user registration and comments forms etc</li>
<li>Supports multiple ReCAPTCHA versions</li>
<li>User-friendly wizards for easy, hassle-free setup</li>
<li>Set ReCAPTCHA V3 passmark score </li>
<li>ReCAPTCHA failover configuration (ensure no prospect is incorrectly marked as spam)</li>
<li>Plugin automatically detects visitors’ language and shows CAPTCHA in that language</li>
<li>Much more</li>
</ul>
<h3>Upgrade to CAPTCHA 4WP Premium and get even more</h3>
<p>With the premium edition of CAPTCHA 4WP, you can choose from a wider range of CAPTCHA service providers, 1-click WooCommerce and other 3rd party plugin support, whitelisting, and much more.</p>
<h3>Premium features list</h3>
<ul>
<li>Everything in the free version</li>
<li>Add CAPTCHA from hCaptcha and Cloudflare Turnstile on your websites, both free and GDPR compliant</li>
<li>Add Geoblocking on forms and WordPress comments form (block / limit form submissions or comment posting by country)</li>
<li>Customization options for the CAPTCHA checks text, visual and position on the forms</li>
<li>One-click integration with WooCommerce</li>
<li>One-click integration with Contact Form 7, Gravity Forms, WPForms, BuddyPress & other plugins</li>
<li>Much more</li>
</ul>
<p>Refer to the <a href="https://captcha4wp.com/features/" rel="nofollow ugc">CAPTCHA 4WP plugin features and benefits page</a> to learn more about the benefits of upgrading to the Premium version of CAPTCHA 4WP.</p>
<h3>Free and premium support</h3>
<p>Support for CAPTCHA 4WP is free through the WordPress support forums.</p>
<p>Premium support for paid customer support is provided via one-to-one email. Upgrade to Premium to benefit from premium support.</p>
<p>For any other queries, feedback, or if you simply want to get in touch with us, please use our <a href="https://captcha4wp.com/submit-ticket/" rel="nofollow ugc">contact form</a>.</p>
<h3>As featured on:</h3>
<ul>
<li><a href="https://www.wpbeginner.com/plugins/how-to-add-captcha-in-wordpress-login-and-registration-form/" rel="nofollow ugc">WP Beginner</a></li>
<li><a href="https://www.elegantthemes.com/blog/wordpress/wordpress-captcha" rel="nofollow ugc">Elegant Themes</a></li>
<li><a href="https://www.isitwp.com/best-wordpress-captcha-plugins/" rel="nofollow ugc">IsItWP</a></li>
<li><a href="https://wplift.com/best-wordpress-captcha-plugins" rel="nofollow ugc">WPLift</a></li>
<li><a href="https://testerwp.com/best-free-captcha-wordpress-plugins/" rel="nofollow ugc">TesterWP</a></li>
</ul>
<h3>Related links and documentation:</h3>
<p>You can find more detailed information about CAPTCHA tests and the benefits you can take advantage of, and the plugin in the links below:</p>
<ul>
<li><a href="https://captcha4wp.com/why-need-captcha-wordpress-website/" rel="nofollow ugc">Why you need CAPTCHA on your WordPress website</a></li>
<li><a href="https://captcha4wp.com/different-types-captcha-checks-wordpress/" rel="nofollow ugc">The different types of CAPTCHA for websites</a></li>
<li><a href="https://captcha4wp.com/captcha-recaptcha-nocaptcha-differences/" rel="nofollow ugc">What is the difference between CAPTCHA, ReCAPTCHA, and NoCAPTCHA?</a></li>
<li><a href="https://captcha4wp.com/docs/getting-started-with-captcha-4wp/" rel="nofollow ugc">Getting started with CAPTCHA 4WP</a></li>
<li><a href="https://captcha4wp.com/docs/how-to-add-captcha-to-woocommerce-forms/" rel="nofollow ugc">How to add CAPTCHA on WooCommerce forms</a></li>
<li><a href="https://captcha4wp.com/docs/how-to-add-captcha-on-wpforms-forms/" rel="nofollow ugc">How to add CAPTCHA on WPForms</a></li>
<li><a href="https://captcha4wp.com/docs/how-to-add-captcha-on-gravity-forms-forms/" rel="nofollow ugc">How to add CAPTCHA on Gravity Forms</a></li>
<li><a href="https://captcha4wp.com/docs/how-to-show-captcha-on-failed-logins/" rel="nofollow ugc">How to show CAPTCHA on failed logins</a></li>
<li><a href="https://captcha4wp.com/" rel="nofollow ugc">Official Melapress website</a></li>
</ul>
<h3>Installing CAPTCHA 4WP</h3>
<h3>From within WordPress</h3>
<ol>
<li>Navigate to “Plugins”page and click the “Add New” button</li>
<li>Search for “CAPTCHA 4WP”</li>
<li>Cick install and after that activate the plugin</li>
</ol>
<h3>Manually</h3>
<ol>
<li>Download the plugin from the WordPress plugins repository</li>
<li>Unzip the zip file and upload the folder to the /wp-content/plugins/ directory</li>
<li>Activate CAPTCHA 4WP through the “Plugins” menu in WordPress</li>
</ol>


CAPTCHA 4WP – Antispam CAPTCHA solution for WordPress


For the past week, my site has been inundated with fake account registrations. Since adding this plugin yesterday there haven't been any new ones. I'm hopeful that it won't cause any problems for students signing up for my courses.


Yay no fake registrations today!


5 stars, no notes - MU/multisite support greatly appreciated


Perfect for me and MU support

Use CAPTCHA to stop spam and allow customers & users to interact with your website easily. Block fake accounts and orders. Avoid false positives.

KeyCAPTCHA – Social WordPress CAPTCHA vs CAPTCHA 4WP – Antispam CAPTCHA solution for WordPress