R.Sabbir

<p>Stop contact form spam instantly with <strong>BotShield CAPTCHA for Contact Form 7</strong>. This all-in-one spam protection plugin integrates <strong>Google reCAPTCHA (v2 Checkbox & v3 Invisible)</strong>, <strong>Cloudflare Turnstile</strong> (Privacy-Focused), and lightweight <strong>Built-in Arithmetic/Image Challenges</strong> to block bots while letting real users pass.</p>
<p>Whether you need strict security or a friction-free user experience, BotShield gives you complete control over your specific form protection needs. No more spam submissions, fake leads, or automated bot attacks.</p>
<p>Protect Your Store with <strong>Enterprise-grade CAPTCHA & Security</strong>. <a href="https://woocommerce.com/products/securegate-captcha/" rel="nofollow ugc">SecureGate CAPTCHA</a> provides full-site protection, blocking bots, spam, and fraud using Cloudflare Turnstile, Google reCAPTCHA, hCaptcha, and Geo-Blocking — keeping your store fast, secure, and bot-free.</p>
<h4>Key Features & Benefits</h4>
<ul>
<li><strong>Multi-Provider Support</strong>: Choose between Google reCAPTCHA, Cloudflare Turnstile, or Self-hosted challenges.</li>
<li><strong>Google reCAPTCHA Integration</strong>: Supports both <strong>v2 (“I’m not a robot”)</strong> and <strong>v3 (Invisible)</strong> keys.</li>
<li><strong>Cloudflare Turnstile</strong>: The modern, privacy-friendly alternative that stops bots without annoying puzzles.</li>
<li><strong>Lightweight Built-in Protection</strong>: Use simple Math or Image CAPTCHAs without needing any external API keys.</li>
<li><strong>Seamless Contact Form 7 Integration</strong>: Adds a dedicated “BotShield” tag generator button directly to the CF7 editor.</li>
<li><strong>Mobile Optimized</strong>: Fully responsive challenges that work perfectly on smartphones and tablets.</li>
<li><strong>GDPR Compliant Options</strong>: Turnstile and Built-in modes offer excellent privacy compliance.</li>
<li><strong>Accessibility Ready</strong>: WCAG 2.1 compliant designs for screen reader support.</li>
</ul>
<h4>Flexible Protection Options</h4>
<p><strong>1. Google reCAPTCHA (The Industry Standard)</strong><br />
*   <strong>v2 Checkbox</strong>: The classic “I’m not a robot” checkbox users trust.<br />
*   <strong>v3 Invisible</strong>: valid users are verified in the background with zero interaction.</p>
<p><strong>2. Cloudflare Turnstile (Privacy-First)</strong><br />
*   Verify visitors without solving complex puzzles. Smart, fast, and respectful of user privacy.</p>
<p><strong>3. Built-in Challenges (No Keys Required)</strong><br />
*   <strong>Arithmetic</strong>: Simple math questions (e.g., 7 + 2 = ?) effective against basic bots.<br />
*   <strong>Alphanumeric</strong>: Distorted text images for traditional verification.<br />
*   <em>Zero external dependency, 100% self-hosted.</em></p>
<h4>Perfect For</h4>
<ul>
<li>Contact forms</li>
<li>Registration forms</li>
<li>Quote request forms</li>
<li>Newsletter signups</li>
<li>Any Contact Form 7 form needing spam protection</li>
</ul>
<h4>Requirements</h4>
<ul>
<li>WordPress 5.0 or higher</li>
<li>Contact Form 7 plugin (must be active)</li>
<li>PHP 7.4 or higher</li>
<li>GD PHP extension for image CAPTCHAs</li>
</ul>
<h3>Privacy Policy</h3>
<p>BotShield CAPTCHA does not:<br />
* Collect any personal data<br />
* Store user information<br />
* Transmit data to external servers<br />
* Use cookies or tracking<br />
* Share information with third parties</p>
<p>All CAPTCHA processing happens locally on your WordPress server. The plugin is fully GDPR compliant.</p>
<h3>Support & Documentation</h3>
<ul>
<li>Support Forum: https://wordpress.org/support/plugin/botshield-captcha/</li>
<li>Developer Website: https://www.rsabbir.com/</li>
</ul>
<h3>Contributing</h3>
<p>Contributions are welcome! Contact the developer or visit the GitHub repository to contribute to this plugin’s development.</p>
<h3>Credits</h3>
<ul>
<li>Developed by R. Sabbir (https://www.rsabbir.com/)</li>
<li>Tested with Contact Form 7 6.1.4 and later</li>
</ul>
<h3>Technical Specifications</h3>
<h4>Server Requirements</h4>
<ul>
<li>WordPress 5.0 or higher</li>
<li>PHP 7.4 or higher</li>
<li>Contact Form 7 plugin (active)</li>
<li>GD PHP extension (for image CAPTCHAs)</li>
</ul>
<h4>Browser Support</h4>
<ul>
<li>Chrome (latest versions)</li>
<li>Firefox (latest versions)</li>
<li>Safari (latest versions)</li>
<li>Microsoft Edge (latest versions)</li>
<li>Mobile browsers (iOS Safari, Chrome Mobile)</li>
</ul>
<h4>Security Features</h4>
<ul>
<li>Token-based validation system</li>
<li>HMAC-SHA256 signature verification</li>
<li>Automatic token expiration (5 minutes)</li>
<li>XSS protection</li>
<li>CSRF token protection</li>
<li>No session storage required</li>
</ul>
<h4>Performance</h4>
<ul>
<li>Code: ~50KB total size</li>
<li>Assets: Minified and optimized</li>
<li>Loading: Conditional asset loading on relevant pages</li>
<li>HTTP Requests: Zero external requests</li>
<li>Caching: Compatible with all major WordPress cache plugins</li>
</ul>


BotShield CAPTCHA for Contact Form 7


shows warning here after installation. 



Warning: Undefined array key "answer" in C:\xampp\htdocs\mc2\wp-content\plugins\botshield-captcha\includes\class-botshield-captcha-field.php on line 298



Warning: Undefined array key "hash" in C:\xampp\htdocs\mc2\wp-content\plugins\botshield-captcha\includes\class-botshield-captcha-field.php on line 299






quality code not added

BotShield CAPTCHA for Contact Form 7 – Advanced Spam Protection with Turnstile, reCAPTCHA, Arithmetic, and Alphanumeric.

Freemius

mutendebrian

Noptin Newsletter Team

<p><strong>This is a lightweight CAPTCHA plugin for WordPress and WooCommerce.</strong><br />
★★★★★</p>
<p>The free version supports the “I\’m not a robot” Checkbox from Google reCAPTCHA.</p>
<p>The premius version supports:-<br />
– Invisible reCAPTCHA V2.<br />
– Score based reCAPTCHA V3.<br />
– Cloudflare Turnstile.</p>
<p>Both versions allow you to protect your:-</p>
<ul>
<li>WordPress / WooCommerce login forms.</li>
<li>WordPress / WooCommerce / BuddyPress registration forms.</li>
<li>WordPress / WooCommerce lost password forms.</li>
<li>WordPress / WooCommerce reset password forms.</li>
<li>WordPress comment forms.</li>
<li>WooCommerce checkout forms.</li>
<li>Noptin newsletter subscription form.</li>
<li>BBPress new topic and reply forms.</li>
<li>BuddyPress new group forms.</li>
<li>Contact Form 7 forms.</li>
<li>Mailchimp 4 WordPress forms.</li>
<li>WPForms forms.</li>
<li>WPForo new topic and reply forms.</li>
</ul>
<p>CAPTCHA can be individually enabled / disabled on each form.</p>
<blockquote>
<p>A <strong>CAPTCHA</strong> test is designed to determine if an online user is really a human and not a bot. CAPTCHA is an acronym that stands for “Completely Automated Public Turing test to tell Computers and Humans Apart.”</p>
</blockquote>


Hizzle CAPTCHA – Protect your forms from spam


This plugin is simple and has only the features you need.Other plugins are messy code and layout, this is so clean.


Very good!!!

Get rid of spammers using this WordPress and WooCommerce CAPTCHA plugin for Google reCAPTCHA, Cloudflare Turnstile, and more.

BotShield CAPTCHA for Contact Form 7 vs Hizzle CAPTCHA – Protect your forms from spam