QueryCutter.user.js

// ==UserScript==
// @name          Query Cutter
// @namespace     http://www.ftnk.jp/userscripts
// @description   Cut '?ref=rss', and so on
// @include       http://*
// ==/UserScript==
(function (){
    var newUrl = location.href;

    // delete rss for Cnet Japan, barks, etc
    // delete utm* added by feedburner
    // delete feature for YouTube
    // for japan.linux.com
    newUrl = newUrl.replace(/(\?|\&)((ref=|from=)?rss$|utm.+|fb_.+|feature=player_embedded|topic=[0-9]*)/ig, '');

    if ( newUrl != location.href ) history.replaceState(null, "", newUrl);

})();