Youtubeの動画管理ページから、各動画の経過日数と１日あたりの再生数を表示する。consoleにコピペして、addinfo()を呼ぼう。

gistfile1.txt

(function(){
  //load jQuery
	var loadjq = document.createElement("script");
	loadjq.type = "text/javascript";
	loadjq.src = "//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js";
	document.body.appendChild(loadjq);
})();

function addinfo(){
  var vi = $(".vm-video-item");
  var today = new Date();
  vi.each(function(index, elem){
    var ld = $(elem).find(".vm-video-info").find(".localized-date");
    var ldstmp = ld.data("timestamp");
    var lddate = new Date(ldstmp*1000);
    var title = $(elem).find(".vm-video-title-content").text();
    var diftime = Math.round((today.getTime() - ldstmp*1000) / 1000 / 60 / 60 / 24);
    
    var playedNum = $(elem).find(".video-view-count").find(".vm-video-metric-value");
    var playedNumValue = playedNum.text().replace(/,/,"") << 0;
  
    ld.after(" / " + diftime + "日前");
    playedNum.after(" / " + Math.ceil(playedNumValue / diftime));
  });
}