Interactive Demo
Experience the power and flexibility of aCAPTCHA with our live demonstration featuring real-time analytics and customization options.
Try the Enhanced CAPTCHA
π Real-time Event Log
Powerful Features
Built with modern web standards and user experience in mind, offering unprecedented customization and control.
Seamless Reset Capability
Reset verification challenges multiple times without page refreshes, maintaining user context and improving experience flow.
Rich Audio Feedback
Interactive sound effects with intelligent toggling, providing enhanced accessibility and user engagement without being intrusive.
Adaptive Theming
Automatic dark/light mode detection with manual override, ensuring optimal visibility across all environments and user preferences.
Intelligent Hints
Context-aware assistance that guides users through challenges without compromising security or revealing solutions.
Advanced Analytics
Comprehensive performance metrics, success rates, and user behavior insights without compromising privacy or collecting personal data.
Adaptive Difficulty
Dynamic challenge scaling from Easy to Extreme based on threat assessment and user interaction patterns.
Privacy-First Design
Zero data collection, no third-party dependencies, and complete offline functionality ensuring user privacy is never compromised.
Universal Accessibility
WCAG 2.1 AA compliant with screen reader support, keyboard navigation, and alternative verification methods for all users.
Comprehensive Comparison
See how aCAPTCHA compares to traditional solutions in terms of privacy, customization, and user experience.
π aCAPTCHA vs Google reCAPTCHA
A detailed feature and capability comparison
Feature | aCAPTCHA | Google reCAPTCHA v2/v3 |
---|---|---|
Pricing Model | β Free and open source | β οΈ Free but proprietary |
Privacy & Data Collection | β Zero tracking or data sharing | β Extensive behavior tracking, tied to Google ecosystem |
Customization Options | β Fully customizable UI, behavior, and language | β Minimal to no customization options |
Accessibility Compliance | β WCAG 2.1 AA compliant with comprehensive audio support | β Often frustrating for screen readers and disabled users |
Bot Detection Method | β οΈ Challenge-based with adaptive difficulty | β Advanced ML + behavioral profiling |
Setup Complexity | β Self-hosted, minimal configuration required | β οΈ Easy integration but requires Google account/API keys |
Offline Capability | β Fully functional offline | β Requires internet connection to Google servers |
Performance Impact | β Lightweight, no external dependencies | β Additional HTTP requests and external script loading |
User Experience | β Consistent, predictable challenges | β Unpredictable difficulty, sometimes unsolvable |
Vendor Lock-in Risk | β Open source, community-driven | β Dependent on Google's service availability |
Analytics & Insights | β Detailed local analytics without privacy concerns | β οΈ Limited insights, data stored by Google |
aCAPTCHA Advantages
- π Complete Privacy: No data collection or user tracking
- π¨ Full Customization: Adapt to any design system
- βΏ True Accessibility: Works for all users, all abilities
- π Offline Ready: Functions without internet dependency
- β‘ Lightweight: Minimal performance impact
- π οΈ Open Source: Transparent, community-driven development
- π° Cost Effective: No usage limits or hidden fees
Considerations
- π€ Bot Detection: Less sophisticated than ML-based solutions
- π§ Self-Hosting: Requires basic technical setup
- π Scaling: Need to manage infrastructure growth
- π Updates: Manual maintenance of security patches
- π Analytics: Limited compared to enterprise solutions
- π― Targeting: May need additional fraud detection layers
Download & Import
Get the latest aCAPTCHA files for your project or use our CDN links for instant integration.
Direct Downloads
Download the complete aCAPTCHA package to your local machine.
CDN Import
Use our CDN links for instant integration without downloads.
GitHub Repository
Download or fork it from the official git repo; all versions can be found on releases.
π Quick Integration Examples
<!-- Using CDN (Replace with your actual URL) -->
<script src="https://your-repl-url.replit.dev/captcha-v1.1.js"></script>
<!-- Basic implementation -->
<captcha-element
status="null"
sound-enabled="true"
dark-mode="auto"
type="both"
difficulty="adaptive">
</captcha-element>
<!-- Using local file -->
<script src="./js/aCAPTCHA-v1.1.js"></script>
<!-- Advanced configuration -->
<captcha-element
type="visual"
theme="dark"
language="en"
hints="true"
analytics="true"
retry-limit="3">
</captcha-element>
Implementation Guide
Get started with aCAPTCHA in minutes with our comprehensive documentation and examples.
Quick Start Integration
<!-- Include the aCAPTCHA script -->
<script src="https://cdn.acaptcha.pro/v1.1/acaptcha.min.js"></script>
<!-- Basic implementation -->
<captcha-element
status="null"
sound-enabled="true"
dark-mode="auto"
type="both"
difficulty="adaptive">
</captcha-element>
<!-- Advanced configuration -->
<captcha-element
type="visual"
theme="custom"
language="en"
hints="true"
analytics="true"
retry-limit="3">
</captcha-element>
// Event handling and API usage
const captcha = document.querySelector('captcha-element');
// Listen for verification events
captcha.addEventListener('verified', (event) => {
const { verified, timeSpent, attempts, difficulty } = event.detail;
console.log('Verification successful!', {
verified,
timeSpent: `${timeSpent}ms`,
attempts,
difficulty
});
// Proceed with form submission
if (verified) {
submitForm();
}
});
// Listen for status changes
captcha.addEventListener('statuschange', (event) => {
console.log('Status changed to:', event.detail.status);
updateUI(event.detail.status);
});
// Listen for reset events
captcha.addEventListener('reset', () => {
console.log('CAPTCHA reset - ready for new attempt');
clearFormErrors();
});
// API Methods
console.log('Current status:', captcha.getStatus());
console.log('Is verified:', captcha.isValid());
console.log('Analytics data:', captcha.getAnalytics());
// Programmatic control
captcha.reset(); // Reset the challenge
captcha.setAttribute('difficulty', 'hard'); // Change difficulty
captcha.setAttribute('theme', 'dark'); // Switch theme
captcha.setAttribute('sound-enabled', 'false'); // Disable sounds
// Advanced analytics integration
function handleCaptchaAnalytics() {
const analytics = captcha.getAnalytics();
// Send to your analytics service
trackEvent('captcha_analytics', {
success_rate: analytics.successRate,
average_time: analytics.averageTime,
total_attempts: analytics.totalAttempts,
difficulty_distribution: analytics.difficultyCounts,
accessibility_usage: analytics.audioModeUsage
});
// Update dashboard
updateDashboard(analytics);
}
// Form integration example
function validateFormWithCaptcha() {
const form = document.getElementById('signup-form');
const captcha = document.querySelector('captcha-element');
form.addEventListener('submit', (e) => {
e.preventDefault();
if (!captcha.isValid()) {
showError('Please complete the security verification');
captcha.focus(); // Accessibility-friendly focus
return;
}
// Proceed with form submission
const formData = new FormData(form);
formData.append('captcha_verified', true);
formData.append('captcha_token', captcha.getToken());
submitForm(formData);
});
}