diff --git a/package.json b/package.json
index d05c834..c94e9bb 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "@types/react": "16.8.16",
     "@types/react-dom": "16.8.4",
     "@types/react-router-dom": "4.3.2",
+    "@types/validator": "10.11.1",
     "@verdaccio/babel-preset": "0.2.1",
     "@verdaccio/eslint-config": "0.0.1",
     "@verdaccio/types": "6.1.0",
diff --git a/src/history.ts b/src/history.ts
deleted file mode 100644
index a8f41b8..0000000
--- a/src/history.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import { createBrowserHistory } from 'history';
-import { getBaseNamePath } from './utils/url';
-
-const history = createBrowserHistory({
-  basename: getBaseNamePath(),
-});
-
-export default history;
diff --git a/src/router.tsx b/src/router.tsx
index dcc0e2b..394b8ee 100644
--- a/src/router.tsx
+++ b/src/router.tsx
@@ -2,12 +2,16 @@
 
 import React, { Component, ReactElement } from 'react';
 import { Router, Route, Switch } from 'react-router-dom';
+import { createBrowserHistory } from 'history';
 import { AppContextConsumer, AppStateInterface } from './App/App';
 
 import { asyncComponent } from './utils/asyncComponent';
-import history from './history';
 import Header from './components/Header';
 
+const history = createBrowserHistory({
+  basename: window.__VERDACCIO_BASENAME_UI_OPTIONS && window.__VERDACCIO_BASENAME_UI_OPTIONS.url_prefix,
+});
+
 const NotFound = asyncComponent(() => import('./components/NotFound'));
 const VersionPackage = asyncComponent(() => import('./pages/version/Version'));
 const HomePage = asyncComponent(() => import('./pages/home'));
diff --git a/src/utils/url.test.ts b/src/utils/url.test.ts
new file mode 100644
index 0000000..33b99b1
--- /dev/null
+++ b/src/utils/url.test.ts
@@ -0,0 +1,27 @@
+import { isURL, isEmail, getRegistryURL } from './url';
+
+describe('url', () => {
+  test('isURL() - should return true for localhost', () => {
+    expect(isURL('http://localhost:8080/bootstrap/-/bootstrap-4.3.1.tgz')).toBeTruthy();
+  });
+
+  test('isURL() - should return false when protocol is missing', () => {
+    expect(isURL('localhost:8080/bootstrap/-/bootstrap-4.3.1.tgz')).toBeFalsy();
+  });
+
+  test('isEmail() - should return true if valid', () => {
+    expect(isEmail('email@domain.com')).toBeTruthy();
+  });
+  test('isEmail() - should return false if invalid', () => {
+    expect(isEmail('')).toBeFalsy();
+  });
+
+  test('getRegistryURL() - should keep slash if location is a sub directory', () => {
+    history.pushState({}, 'page title', '/-/web/detail');
+    expect(getRegistryURL()).toBe('http://localhost/-/web/detail');
+    history.pushState({}, 'page title', '/');
+  });
+  test('getRegistryURL() - should not add slash if location is not a sub directory', () => {
+    expect(getRegistryURL()).toBe('http://localhost');
+  });
+});
diff --git a/src/utils/url.ts b/src/utils/url.ts
index 68da74f..d428410 100644
--- a/src/utils/url.ts
+++ b/src/utils/url.ts
@@ -2,10 +2,11 @@ import isURLValidator from 'validator/lib/isURL';
 import isEmailValidator from 'validator/lib/isEmail';
 import '../../types';
 
-export function isURL(url): boolean {
+export function isURL(url: string): boolean {
   return isURLValidator(url || '', {
     protocols: ['http', 'https', 'git+https'],
     require_protocol: true,
+    require_tld: false,
   });
 }
 
@@ -17,11 +18,3 @@ export function getRegistryURL(): string {
   // Don't add slash if it's not a sub directory
   return `${location.origin}${location.pathname === '/' ? '' : location.pathname}`;
 }
-
-export function getBaseNamePath(): string {
-  return window.__VERDACCIO_BASENAME_UI_OPTIONS && window.__VERDACCIO_BASENAME_UI_OPTIONS.url_prefix;
-}
-
-export function getRootPath(): string {
-  return window.__VERDACCIO_BASENAME_UI_OPTIONS && window.__VERDACCIO_BASENAME_UI_OPTIONS.base;
-}
diff --git a/yarn.lock b/yarn.lock
index 45962ee..3b9815c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1743,6 +1743,11 @@
   resolved "https://registry.verdaccio.org/@types%2funist/-/unist-2.0.3.tgz#9c088679876f374eb5983f150d4787aa6fb32d7e"
   integrity sha512-FvUupuM3rlRsRtCN+fDudtmytGO6iHJuuRKS1Ss0pG5z8oX0diNEw94UEL7hgDbpN94rgaK5R7sWm6RrSkZuAQ==
 
+"@types/validator@10.11.1":
+  version "10.11.1"
+  resolved "https://registry.npmjs.org/@types/validator/-/validator-10.11.1.tgz#76e983ce155261838463b73728856cf8bc628d53"
+  integrity sha512-bVhLqvb+5xUNWRFnuuecRVISTvsG6AdhrB2kb/tChgtuTTqARqlQ3rLhOPy8cINZEUB8PkR+goyWF6fWxg4iSw==
+
 "@types/vfile-message@*":
   version "1.0.1"
   resolved "https://registry.verdaccio.org/@types%2fvfile-message/-/vfile-message-1.0.1.tgz#e1e9895cc6b36c462d4244e64e6d0b6eaf65355a"