Shuffle products on Shop Page

You can use this code to Website Tools > Code Injection > Footer

<script>
document.addEventListener('DOMContentLoaded', function() {
    const productGrid = document.querySelector('.products-flex-container .list-grid');
    if (productGrid) {
        var productItems = productGrid.querySelectorAll('.grid-item');
        for (var i = productItems.length; i >= 0; i--) {
            productGrid.appendChild(productItems[Math.random() * i | 0]);
        }
    }
});
</script>