The Better hCaptcha Alternative

No more image puzzles that drive users away. SilentShield protects invisibly, faster, and fully GDPR-compliant.

SilentShield – invisible bot protection
Invisible
No UI element, no puzzle, no interruption
GDPR Compliant
EU hosting, no data sharing, no tracking
No Cookies
No cookie banner needed
Ultra Fast
< 50ms vs 400ms with hCaptcha
Accessible
WCAG 2.1 AAA certified
Proof-of-Work
Cryptographic bot protection

Problems with hCaptcha

  • Always visible image puzzles: High abandonment rate among users
  • External data processing: Data is processed outside the EU
  • Accessibility issues: Image recognition is inaccessible for many users
  • Cookies required: Additional cookie banner necessary
  • Slow loading: Approximately 400ms additional wait time
  • Frustrating user experience: Frequent repetitions required

SilentShield solves this

  • 100% invisible: No user is ever interrupted
  • EU-only data processing: Full GDPR compliance
  • WCAG 2.1 AAA: Fully accessible for all users
  • No cookies: No cookie banner required
  • < 50ms load time: 8x faster than hCaptcha
  • Proof-of-Work instead of image puzzles: Modern and effective
GDPR compliant data protection

GDPR Compliant

All data stays in the EU. No tracking, no cookies.

Fast loading times

Ultra Fast

Under 50ms load time – 8x faster than hCaptcha.

SilentShield vs. hCaptcha Comparison

Feature
SilentShield
hCaptcha
User interactionNone – invisibleAlways image puzzles
GDPR compliantPartially
CookiesNoneYes
AccessibilityWCAG 2.1 AAALimited
Load time< 50ms~400ms
EU hostingYes, guaranteedOptional
Conversion impactPositive (+35%)Negative (-15%)
Bot detectionProof-of-Work + MLImage recognition

Switch in 60 Seconds

1

Remove hCaptcha

<!-- Remove this: -->
<script src="https://js.hcaptcha.com/
  1/api.js"></script>
<div class="h-captcha" 
  data-sitekey="..."></div>
2

Add SilentShield

<!-- Add this: -->
<script src="https://cdn.silentshield.dev/
  v1/shield.js" 
  data-site-key="YOUR_KEY">
</script>
3

Verify token

// Verify token server-side:
const result = await fetch(
  'https://api.silentshield.dev/verify',
  {
    method: 'POST',
    body: JSON.stringify({ token })
  }
);

Try the Live Demo

Interact with the form below — watch SilentShield analyze your behavior in real-time.

your-website.com/contact
Protected by SilentShield

Behavior Analysis

Waiting
Mouse Movement0%
Keyboard Input0%
Scroll Behavior0%
Interaction Timing0%
Human Score0%

Start interacting with the form to see the analysis.

Switch from hCaptcha now

Invisible protection without image puzzles. Start free – no credit card required.