[destus]

<style>
div{
            display: none;
        }
</style>
<div>Здесь гифка</div>
<script>
var div = document.querySelector('div');
            var xhr = new XMLHttpRequest();
            xhr.open('GET', 'http://javascript.ru');
            xhr.send(null);
            
            div.style.display = "block";
            xhr.onreadystatechange = function () {
                if (xhr.readyState == 4) {
                    div.style.display = 'none';
                }
            }
</script>