Potężniejsza alternatywa dla Friendly Captcha

<!-- Usuń to: -->
<script src="https://cdn.friendlycaptcha.com/
  ..."></script>
<div class="frc-captcha" 
  data-sitekey="..."></div>

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

// Zweryfikuj token po stronie serwera:
const result = await fetch(
  'https://api.silentshield.dev/verify',
  {
    method: 'POST',
    body: JSON.stringify({ token })
  }
);