ss: https://rs.mertboss.com/image/image.28N6
Kod:
<script type="text/javascript">
var title = document.title;
var alttitle = "Biz Burdayızzzzzzzzzzzzzzzz....!";
window.onblur = function () { document.title = alttitle; };
window.onfocus = function () { document.title = title; };
</script>