Refactored referrer logic. Display stats for no referrers.

lib/url.js

@@ -6,14 +6,6 @@ export function removeWWW(url) {
   return url && url.length > 1 && url.startsWith('www.') ? url.slice(4) : url;
 }
 
-export function getDomainName(str) {
-  try {
-    return new URL(str).hostname;
-  } catch (e) {
-    return str;
-  }
-}
-
 export function getQueryString(params = {}) {
   const map = Object.keys(params).reduce((arr, key) => {
     if (params[key] !== undefined) {