PlugDJ woot counter - changes title of the page to "({usersWooting}/{usersInRoom}) {roomName}". Firing every second, so the change is almost instant.

titleCounter.user.js

// ==UserScript==
// @name        plugdj title extender
// @namespace   radarovo
// @include     https://plug.dj/*
// @version     1
// @grant       none
// ==/UserScript==

function main(){
  var pplInRoom = parseInt($(".bar-count").text());
  var pplWoot = $("#woot .value").text();
  var roomName = $("#room-name .bar-value").text();
  
  document.title= "("+pplWoot+"/"+(pplInRoom-1)+") "+roomName;
}

window.setInterval(main, 1000);