feedly_utm_Remover.user.js

// ==UserScript==
// @name         feedly - Remove utm from Links
// @description  リンクに追加されているトラッキングコードutm_source=feedlyを削除します
// @version      0.1
// @include      http://www.feedly.com/*
// @include      https://www.feedly.com/*
// ==/UserScript==

function removeutm(){
    var as = document.evaluate('descendant-or-self::a', document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, l = as.snapshotLength;i < l;++i){
        var a = as.snapshotItem(i);
        if (a.href.indexOf('http') === 0 && a.host !== location.host && /utm_/i.test(a.href)){
            var newhref = a.href.replace(/([\?\&]utm_source=feedly)/ig, '');
            a.setAttribute('href', newhref);
        }
    }
}

var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
var observer = new MutationObserver(function(mutations) {
    removeutm();
});
observer.observe(document, { childList: true , subtree: true});