Nezavisla alternativa k Cloudflare Turnstile

<!-- Odstranit toto: -->
<script src="https://challenges.cloudflare.com/
  turnstile/v0/api.js"></script>
<div class="cf-turnstile" 
  data-sitekey=".."></div>

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

// Overenie tokenu na strane servera:
const result = await fetch(
  'https://api.silentshield.dev/verify',
  {
    method: 'POST',
    body: JSON.stringify({ token })
  }
);