R. Sabbir

<p>BotShield CAPTCHA adds powerful yet simple CAPTCHA protection to your Contact Form 7 forms without requiring any third-party API keys or services. Keep your forms spam-free while maintaining complete user privacy.</p>
<h4>Features</h4>
<ul>
<li>Multiple CAPTCHA Types: Arithmetic challenges and alphanumeric image CAPTCHAs</li>
<li>Three Difficulty Levels: Easy, Medium, and Hard options to balance security and usability</li>
<li>No API Keys Required: Fully self-hosted solution with no external dependencies</li>
<li>WCAG 2.1 Accessible: Screen reader support and keyboard navigation included</li>
<li>Mobile Responsive: Perfect display on all devices and screen sizes</li>
<li>Three Built-in Themes: Default, Minimal, and Modern styles</li>
<li>GDPR Compliant: No data collection or third-party transmission</li>
<li>Lightweight: Minimal performance impact on your site</li>
<li>Auto-Refresh Option: Optional automatic CAPTCHA regeneration</li>
<li>Translation Ready: Full internationalization support with RTL language support</li>
</ul>
<h4>CAPTCHA Types</h4>
<p><strong>Arithmetic CAPTCHA</strong><br />
Simple math problems that are easy for humans but difficult for bots.<br />
* Easy: Addition/subtraction with numbers 1-10<br />
* Medium: Addition/subtraction with numbers 1-20<br />
* Hard: Addition, subtraction, and multiplication with numbers 1-50</p>
<p><strong>Alphanumeric Image CAPTCHA</strong><br />
Distorted text images with case-sensitive characters.<br />
* Easy: 4 character challenge<br />
* Medium: 5 character challenge<br />
* Hard: 7 character challenge</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 form needing spam protection</li>
</ul>
<h4>Security & Privacy</h4>
<ul>
<li>Token-based validation with HMAC signatures</li>
<li>Time-based expiration (5 minutes)</li>
<li>No external API calls</li>
<li>No data collection or storage</li>
<li>GDPR compliant</li>
<li>Fully self-hosted on your server</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>SVG icons included (no external icon dependencies)</li>
<li>Tested with Contact Form 7 5.8 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

Add simple CAPTCHA protection to Contact Form 7 forms. No API keys required! Prevent spam with arithmetic or image-based challenges.

TechArk Solutions

ashishrana5896

<p>Are you tired of receiving spam through <strong>Contact Form 7</strong>?<br />
Bots, fake leads, and automated scripts constantly target CF7 forms — even if you use reCAPTCHA or honey pots.</p>
<p><strong>GotechArk Advanced Spam Shield</strong> provides a complete, modern, and intelligent way to <strong>stop Contact Form 7 spam</strong>, without annoying users or adding CAPTCHA.</p>
<p>This plugin uses multiple advanced layers of protection:</p>
<ul>
<li><strong>Timing-based spam detection</strong></li>
<li><strong>Repeated submission blocking</strong></li>
<li><strong>VPN / Proxy detection</strong></li>
<li><strong>Multi-IP usage analysis</strong></li>
<li><strong>Browser fingerprint tracking</strong></li>
<li><strong>Behavior-based heuristics</strong></li>
<li><strong>Submission logging with detailed data</strong></li>
<li><strong>SweetAlert UI for clean error messages</strong></li>
</ul>
<p>The plugin works immediately after activation — <strong>no form editing required</strong>.</p>
<h3>Features</h3>
<ul>
<li>Automatic protection — works instantly with all Contact Form 7 forms.</li>
<li>Configurable minimum submission time.</li>
<li>Repeated submission blocker.</li>
<li>VPN / Proxy detection.</li>
<li>Browser fingerprinting.</li>
<li>Behavior-based heuristics.</li>
<li>Detailed logs (IP, fingerprint, spam reason, user agent).</li>
<li>Lightweight — no external API required.</li>
<li>Clean SweetAlert UI alerts.</li>
</ul>
<h3>Plugin Settings</h3>
<p>Located under <strong>Tools <span aria-hidden="true" class="wp-exclude-emoji">→</span> CF7 Spam Shield</strong>.</p>
<h4>Minimum Submission Time</h4>
<p>Detects instant bot submissions.<br />
Recommended: 3–5 seconds.</p>
<h4>Block Repeated Submissions</h4>
<p>Prevents multiple attempts from the same user/bot.</p>
<h4>VPN / Proxy Check</h4>
<p>Detects suspicious IP ranges.</p>
<h4>Browser Fingerprint Tracking</h4>
<p>Identifies bots even if IP changes.</p>
<h4>Log Viewer</h4>
<p>View blocked and passed submissions with detailed info.</p>


Advanced Spam Protection for Contact Form 7 – GotechArk Spam Shield

A powerful spam protection plugin for Contact Form 7 that blocks bots, spam submissions, VPN users, repeated attempts, and automated attacks — without …

BotShield CAPTCHA for Contact Form 7 vs Advanced Spam Protection for Contact Form 7 – GotechArk Spam Shield