feedlyにサブスクリプションするブックマークレット

javascript:void(feedtag=document.evaluate('//link[@rel="alternate"][@type="application/atom+xml" or @type="application/rss+xml"]', document, null, XPathResult.ANY_UNORDERED_NODE_TYPE).singleNodeValue);if(feedtag){location.href='https://feedly.com/i/subscription/feed/'+encodeURIComponent(feedtag.href);}else{window.alert('No feed found');};