<div id="visit-counter" style="max-width: 300px; margin: 30px auto; padding: 20px; border: 1px solid #ccc; border-radius: 12px; font-family: Arial, sans-serif; text-align: center;">
  <p>Liczba Twoich odwiedzin na tej stronie:</p>
  <p id="visits-number" style="font-size: 1.5rem; font-weight: bold;">0</p>
</div>

<script>
  const visitsKey = 'my_site_visit_count';
  let visits = localStorage.getItem(visitsKey);
  if (!visits) {
    visits = 0;
  }
  visits = parseInt(visits) + 1;
  localStorage.setItem(visitsKey, visits);
  document.getElementById('visits-number').textContent = visits;
</script>