diff --git a/explore/server.ts b/explore/server.ts
index 277d77c8..d662a176 100644
--- a/explore/server.ts
+++ b/explore/server.ts
@@ -1,10 +1,10 @@
 import 'zone.js/dist/zone-node';
 import 'reflect-metadata';
-import { enableProdMode } from '@angular/core';
+import {enableProdMode} from '@angular/core';
 
 import * as express from 'express';
-import { join } from 'path';
-import { readFileSync } from 'fs';
+import {join} from 'path';
+import {readFileSync} from 'fs';
 
 // Faster server renders w/ Prod mode (dev mode never needed)
 enableProdMode();
@@ -19,14 +19,16 @@ const DIST_FOLDER = join(process.cwd(), 'dist');
 const template = readFileSync(join(DIST_FOLDER, 'browser', 'index.html')).toString();
 
 // * NOTE :: leave this as require() since this file is built Dynamically from webpack
-const { AppServerModuleNgFactory, LAZY_MODULE_MAP } = require('./dist/server/main');
+const {AppServerModuleNgFactory, LAZY_MODULE_MAP} = require('./dist/server/main');
 
 // Express Engine
 import {ngExpressEngine, RenderOptions} from '@nguniversal/express-engine';
 // Import module map for lazy loading
-import { provideModuleMap } from '@nguniversal/module-map-ngfactory-loader';
+import {provideModuleMap} from '@nguniversal/module-map-ngfactory-loader';
 import {routes} from "./routes";
 import * as prom from "prom-client";
+import {REQUEST, RESPONSE} from "@nguniversal/express-engine/tokens";
+import {renderModuleFactory} from "@angular/platform-server";
 
 /*
 // Our Universal express-engine (found @ https://github.com/angular/universal/tree/master/modules/express-engine)
@@ -41,30 +43,41 @@ app.engine('html', ngExpressEngine({
 
 const register = new prom.Registry();
 
-const counter =  new prom.Counter({
-  name: 'explore',
-  help: 'Explore Counter',
-  labelNames: ['route'],
+const responses =  new prom.Counter({
+  name: 'portal_http_responses_total',
+  help: 'A counter for portal response codes for every existed or not existed pages.',
+  labelNames: ['route', 'code'],
   registers: [register]
 });
 
-const histogram =  new prom.Histogram({
-  name: 'exploreLatency',
-  help: 'Explore Histogram',
+const histogram = new prom.Histogram({
+  name: 'portal_http_request_duration_seconds',
+  help: 'A Histogram for a portal. Providing information about page visits and load latency in seconds.',
   labelNames: ['route'],
   registers: [register],
-  buckets: [0.5, 1, 2, 3, 4, 5]
+  buckets: [0.1, 0.2, 0.5, 1, 2]
 });
 
-app.engine('html', (_, options:RenderOptions, callback) => {
-    let engine = ngExpressEngine({
-        bootstrap: AppServerModuleNgFactory,
-        providers: [
-            { provide: 'request', useFactory: () => options.req, deps: [] },
-            provideModuleMap(LAZY_MODULE_MAP)
-        ]
-    });
-    engine(_, options, callback);
+app.engine('html', (_, options: any, callback) => {
+  const opts = {
+    document: template,
+    url: options.req.url,
+    extraProviders: [
+      provideModuleMap(LAZY_MODULE_MAP),
+      {
+        provide: REQUEST,
+        useValue: options.req
+      },
+      {
+        provide: RESPONSE,
+        useValue: options.req.res,
+      },
+    ]
+  };
+
+  renderModuleFactory(AppServerModuleNgFactory, opts)
+    .then(html => callback(null, html)
+    );
 });
 
 app.set('view engine', 'html');
@@ -86,16 +99,19 @@ app.get('/metrics', (req, res) => {
 
 // All regular routes use the Universal engine
 app.get('*', (req, res) => {
-    if(routes.indexOf(req.path) !== -1) {
-      const end = histogram.startTimer({route: req.path});
-      counter.inc({route: req.path});
-      res.render('index', { req });
-      res.on('finish', function() {
-        end();
-      });
-    } else {
-      res.render('index', { req });
-    }
+  if (routes.indexOf(req.path) !== -1) {
+    const end = histogram.startTimer({route: req.path});
+    res.render('index', {req});
+    res.on('finish', function () {
+      responses.inc({route: req.path, code: res.statusCode});
+      end();
+    });
+  } else {
+    res.render('index', {req});
+    res.on('finish', function () {
+      responses.inc({route: '**', code: res.statusCode});
+    });
+  }
 });
 
 // Start up the Node server
diff --git a/explore/src/assets/env-properties.json b/explore/src/assets/env-properties.json
index 65113f4f..175d1aec 100644
--- a/explore/src/assets/env-properties.json
+++ b/explore/src/assets/env-properties.json
@@ -35,7 +35,7 @@
   "piwikSiteId" : "6",
   "loginUrl" :"http://rudie.di.uoa.gr:8080/dnet-login/openid_connect_login",
 
-  "userInfoUrl" : "http://rudie.di.uoa.gr:8080/dnet-openaire-users-1.0.0-SNAPSHOT/api/users/getUserInfo?accessToken=",
+  "userInfoUrl" : "http://scoobydoo.di.uoa.gr:8080/dnet-openaire-users-1.0.0-SNAPSHOT/api/users/getUserInfo?accessToken=",
 
   "logoutUrl" :"https://aai.openaire.eu/proxy/saml2/idp/SingleLogoutService.php?ReturnTo=",
 
@@ -45,7 +45,7 @@
 
   "cacheUrl" :"http://scoobydoo.di.uoa.gr:3000/get?url=",
 
-  "adminToolsAPIURL" :"http://duffy.di.uoa.gr:8080/uoa-admin-tools/",
+  "adminToolsAPIURL" :"http://mpagasas.di.uoa.gr:8080/uoa-admin-tools/",
 
   "adminToolsCommunity" :"openaire",
   "datasourcesAPI": "https://beta.services.openaire.eu/openaire/ds/search/",