var back_url = "https://b.toudum.com/click.php?key=w5xqt0p5r8lizfzdf1a8&t_domain=rdvclub.fr&source=back_button&offer=contact-chaud";

var hash = location.hash.replace('#', '');
var url = window.location.href;

if (hash) {
  url = window.location.href.replace('#' + hash, '');
}

history.replaceState(null, document.title, url + "#!/history");
history.pushState(null, document.title, url);

window.addEventListener("popstate", function () {
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}, false);