diff --git a/Firebase Hosting/.firebase/hosting.0.cache b/Firebase Hosting/.firebase/hosting.0.cache
new file mode 100644
index 0000000..8648d0a
--- /dev/null
+++ b/Firebase Hosting/.firebase/hosting.0.cache	
@@ -0,0 +1,12 @@
+404.html,1526589291891,b7bab6b83fa074653ff28c8d2a64135d3434575f70a12ab3d3ba8080461b9537
+favicon.png,1539889144976,e897b793266fcb6c0ad80d280462a1248853348066c9a33e8eba95064a89cd4c
+orsteg_apps_harold_og_image.png,1539889145004,6f110f19678772f87b42a9a4191a0dcc2f3a0f91342f61ff1c84ddeb05698771
+privacy_policy.html,1538443743080,35143676d4faa6f14acb49e7b1efbc79fef7af53b2b1d49ca27142f758bb3ebf
+privacy_policy.txt,1538445275217,3f4b2d3b9a4672948c3b5a77af7b6b90b439d4f5da75d9313c3e140bbe4d2e75
+sitemap.xml,1540020198278,9170fd01fe0fedf999cdbdf2e0c93e9877eafdde03eb20423483b659bbda7268
+terms_and_conditions.html,1538443847592,b1deeae6b7ffb7a2c662460461fe97710e82979bfa5e3fb7e259ea0a641da604
+terms_and_conditions.txt,1538445397943,825a811236b1a4ba9937b3129d58054a8fba83c4e70cb0198cedc4bd399166da
+featured_banner.png,1539889145000,92e6c05e89126e0d83dd787efd9231bfe576bd2c7e03aa3a429387de73e1db19
+index.html,1540155730858,5259b026cb212f9c0ead72150a72dee3e112ce2367e04443dcc017a5efd637dc
+robots.txt,1540155820134,dec531097d819a68e5faac5e5c7bf59d1850b4a915b25e0347a04a34b616c3c0
+store/index.html,1540155782388,90afceed24d7a283233f1cbdca43498500f33c9930f17b3370cf6b2e4ce93d00
diff --git a/Firebase Hosting/database.rules.json b/Firebase Hosting/database.rules.json
index d2b8268..c106abe 100644
--- a/Firebase Hosting/database.rules.json	
+++ b/Firebase Hosting/database.rules.json	
@@ -1,6 +1,38 @@
 {
-  "rules": {
-    ".read": true,
-    ".write": true
-  }
-}
+    "rules": {
+        ".read": false,
+        ".write": false,
+        "DepartmentList": {
+            ".read": true,
+            ".write": "auth !== null"
+        },
+        "InstitutionList": {
+            ".read": true,
+            ".write": "auth !== null"
+        },
+        "Institutions": {
+            ".read": true
+        },
+        "Eds": {
+            ".read": true
+        },
+        "CourseTemplates": {
+            ".read": true,
+            ".indexOn": ["edKey", "ownerId"],
+            "$id": {
+                ".write": "!data.exists() || data.child('ownerId').val() == auth.uid"
+            }
+        },
+        "Users": {
+            "$uid": {
+                ".read": "$uid === auth.uid",
+                ".write": "$uid === auth.uid"
+            }
+        },
+        "Requests": {
+            "$id": {
+                ".write": "auth !== null && !data.exists()"
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Firebase Hosting/functions/index.js b/Firebase Hosting/functions/index.js
index c497762..0c2e449 100644
--- a/Firebase Hosting/functions/index.js	
+++ b/Firebase Hosting/functions/index.js	
@@ -1,24 +1,19 @@
+/* Harold firebase cloud functions for checking database state and changes */
+
 const functions = require('firebase-functions');
 const admin = require('firebase-admin');
-admin.initializeApp(functions.config().firebase);
-
-// // Create and Deploy Your First Cloud Functions
-// // https://firebase.google.com/docs/functions/write-firebase-functions
-//
-exports.helloWorld = functions.https.onRequest((request, response) => {
-    response.send("Hello from Firebase!");
-});
+admin.initializeApp();
 
-exports.templateChange = functions.database.ref('/CourseTemplates/{id}').onWrite(event => {
-    const template = (event.data.val()) ? event.data.val() : event.data.previous.val();
-    const pTemplate = event.data.previous.val();
+exports.templateChange = functions.database.ref('/CourseTemplates/{id}').onWrite((change, context) => {
+    const template = (change.after.val()) ? change.after.val() : change.before.val();
+    const pTemplate = change.before.val();
     const owner = template.ownerId;
     const iName = template.edKey.replace(/%&[\s\S]*/, '');
     const dName = template.edKey.replace(/[\s\S]*%&/, '');
     const inst = iName.replace(/\s+/g, '_');
     const dept = dName.replace(/\s+/g, '_');
 
-    if (event.data.previous.val() && event.data.current.val()) {
+    if (change.before.val() && change.after.val()) {
         return console.log('This is an update');
     }
 
@@ -78,11 +73,11 @@ exports.templateChange = functions.database.ref('/CourseTemplates/{id}').onWrite
 });
 
 
-exports.userNameChange = functions.database.ref('/Users/{id}/userName').onWrite(event => {
-    const userId = event.params.id;
-    const userName = event.data.val();
+exports.userNameChange = functions.database.ref('/Users/{id}/userName').onWrite((change, context) => {
+    const userId = context.params.id;
+    const userName = change.after.val();
 
-    if (!event.data.previous.val()) {
+    if (!change.before.val()) {
         return console.log('new userName');
     }
 
@@ -99,10 +94,10 @@ exports.userNameChange = functions.database.ref('/Users/{id}/userName').onWrite(
 
 });
 
-exports.edKeyChanged = functions.database.ref('/Users/{id}').onWrite(event => {
-    const user = event.data.val();
-    const userId = event.params.id;
-    const pUser = event.data.previous.val();
+exports.edKeyChanged = functions.database.ref('/Users/{id}').onWrite((change, context) => {
+    const user = change.after.val();
+    const userId = context.params.id;
+    const pUser = change.before.val();
 
     if (!pUser) {
         return console.log('new user');
@@ -190,8 +185,4 @@ exports.edKeyChanged = functions.database.ref('/Users/{id}').onWrite(event => {
             });
         });
     });
-});
-
-exports.onRequest = functions.database.ref('/Requests/{id}').onWrite(event => {
-
 });
\ No newline at end of file
diff --git a/Firebase Hosting/functions/package.json b/Firebase Hosting/functions/package.json
index dc2ec30..7b0a1e2 100644
--- a/Firebase Hosting/functions/package.json	
+++ b/Firebase Hosting/functions/package.json	
@@ -9,8 +9,8 @@
         "logs": "firebase functions:log"
     },
     "dependencies": {
-        "firebase-admin": "~6.0.0",
+        "firebase-admin": "6.0.0",
         "firebase-functions": "^2.0.5"
     },
     "private": true
-}
\ No newline at end of file
+}
diff --git a/Firebase Hosting/functions/yarn.lock b/Firebase Hosting/functions/yarn.lock
index ea27151..b9d509c 100644
--- a/Firebase Hosting/functions/yarn.lock	
+++ b/Firebase Hosting/functions/yarn.lock	
@@ -970,7 +970,7 @@ finalhandler@1.1.1:
     statuses "~1.4.0"
     unpipe "~1.0.0"
 
-firebase-admin@~6.0.0:
+firebase-admin@6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/firebase-admin/-/firebase-admin-6.0.0.tgz#6a4be9e38b523ad7b4397b9b35853e4412e135ae"
   dependencies:
diff --git a/Firebase Hosting/public/favicon.png b/Firebase Hosting/public/favicon.png
new file mode 100644
index 0000000..99fe2d3
Binary files /dev/null and b/Firebase Hosting/public/favicon.png differ
diff --git a/Firebase Hosting/public/index.html b/Firebase Hosting/public/index.html
index d6dd03e..e9414cb 100644
--- a/Firebase Hosting/public/index.html	
+++ b/Firebase Hosting/public/index.html	
@@ -1,65 +1,54 @@
 <!DOCTYPE html>
 <html>
-  <head>
+
+<head>
+
     <meta charset="utf-8">
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>Welcome to Firebase Hosting</title>
+    <title>Harold - CGPA &amp; GPA Calculator | Free download on play store</title>
+
+    <meta property="og:title" content="Harold - CGPA &amp; GPA Calculator" />
+    <meta property="og:locale" content="en_US" />
+    <meta name="description" content="Feature rich and simple cgpa calculator with downloadable course lists" />
+    <meta property="og:description" content="Feature rich and simple cgpa calculator with downloadable course lists" />
+    <link rel="canonical" href="http://harold.apps.orsteg.com" />
+    <meta property="og:url" content="http://harold.apps.orsteg.com" />
+    <meta property="og:site_name" content="Harold.apps.Orsteg.com" />
+    <meta name="keywords" content="Harold - CGPA &amp; GPA Calculator, Harold - CGPA &amp; GPA Calculator for android, Harold - CGPA &amp; GPA Calculator android download, Harold - CGPA &amp; GPA Calculator apk, Harold - CGPA &amp; GPA Calculator android apk, Harold - CGPA &amp; GPA Calculator download, free download"
+    />
+    <meta property="og:image" content="https://harold.apps.orsteg.com/orsteg_apps_harold_og_image.png" />
 
-    <!-- update the version number as needed -->
-    <script defer src="/__/firebase/4.13.0/firebase-app.js"></script>
-    <!-- include only the Firebase features as you need -->
-    <script defer src="/__/firebase/4.13.0/firebase-auth.js"></script>
-    <script defer src="/__/firebase/4.13.0/firebase-database.js"></script>
-    <script defer src="/__/firebase/4.13.0/firebase-messaging.js"></script>
-    <script defer src="/__/firebase/4.13.0/firebase-storage.js"></script>
-    <!-- initialize the SDK after all desired features are loaded -->
-    <script defer src="/__/firebase/init.js"></script>
+    <link rel="shortcut icon" href="/favicon.png" />
 
-    <style media="screen">
-      body { background: #ECEFF1; color: rgba(0,0,0,0.87); font-family: Roboto, Helvetica, Arial, sans-serif; margin: 0; padding: 0; }
-      #message { background: white; max-width: 360px; margin: 100px auto 16px; padding: 32px 24px; border-radius: 3px; }
-      #message h2 { color: #ffa100; font-weight: bold; font-size: 16px; margin: 0 0 8px; }
-      #message h1 { font-size: 22px; font-weight: 300; color: rgba(0,0,0,0.6); margin: 0 0 16px;}
-      #message p { line-height: 140%; margin: 16px 0 24px; font-size: 14px; }
-      #message a { display: block; text-align: center; background: #039be5; text-transform: uppercase; text-decoration: none; color: white; padding: 16px; border-radius: 4px; }
-      #message, #message a { box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24); }
-      #load { color: rgba(0,0,0,0.4); text-align: center; font-size: 13px; }
-      @media (max-width: 600px) {
-        body, #message { margin-top: 0; background: white; box-shadow: none; }
-        body { border-top: 16px solid #ffa100; }
-      }
-    </style>
-  </head>
-  <body>
-    <div id="message">
-      <h2>Welcome</h2>
-      <h1>Firebase Hosting Setup Complete</h1>
-      <p>You're seeing this because you've successfully setup Firebase Hosting. Now it's time to go build something extraordinary!</p>
-      <a target="_blank" href="https://firebase.google.com/docs/hosting/">Open Hosting Documentation</a>
-    </div>
-    <p id="load">Firebase SDK Loading&hellip;</p>
+    <script type="application/ld+json">
+        {
+            "name": "Harold",
+            "description": "Feature rich and simple cgpa calculator with downloadable course lists",
+            "@type": "WebSite",
+            "url": "http://harold.apps.orsteg.com",
+            "headline": "Harold - Timetable & (CGPA GPA) Calculator",
+            "@context": "http://schema.org"
+        }
+    </script>
 
+    <!-- Global site tag (gtag.js) - Google Analytics -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-125416356-2"></script>
     <script>
-      document.addEventListener('DOMContentLoaded', function() {
-        // // 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥
-        // // The Firebase SDK is initialized and available here!
-        //
-        // firebase.auth().onAuthStateChanged(user => { });
-        // firebase.database().ref('/path/to/ref').on('value', snapshot => { });
-        // firebase.messaging().requestPermission().then(() => { });
-        // firebase.storage().ref('/path/to/ref').getDownloadURL().then(() => { });
-        //
-        // // 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥
+        window.dataLayer = window.dataLayer || [];
 
-        try {
-          let app = firebase.app();
-          let features = ['auth', 'database', 'messaging', 'storage'].filter(feature => typeof app[feature] === 'function');
-          document.getElementById('load').innerHTML = `Firebase SDK loaded with ${features.join(', ')}`;
-        } catch (e) {
-          console.error(e);
-          document.getElementById('load').innerHTML = 'Error loading the Firebase SDK, check the console.';
+        function gtag() {
+            dataLayer.push(arguments);
         }
-      });
+        gtag('js', new Date());
+
+        gtag('config', 'UA-125416356-2');
     </script>
-  </body>
-</html>
+</head>
+
+<body>
+
+</body>
+
+</html>
\ No newline at end of file
diff --git a/Firebase Hosting/public/orsteg_apps_harold_og_image.png b/Firebase Hosting/public/orsteg_apps_harold_og_image.png
new file mode 100644
index 0000000..06d7821
Binary files /dev/null and b/Firebase Hosting/public/orsteg_apps_harold_og_image.png differ
diff --git a/Firebase Hosting/public/robots.txt b/Firebase Hosting/public/robots.txt
new file mode 100644
index 0000000..d0f0eb4
--- /dev/null
+++ b/Firebase Hosting/public/robots.txt	
@@ -0,0 +1,4 @@
+User-agent: *
+Disallow: /store
+
+Sitemap: http://harold.apps.orsteg.com/sitemap.xml
\ No newline at end of file
diff --git a/Firebase Hosting/public/sitemap.xml b/Firebase Hosting/public/sitemap.xml
new file mode 100644
index 0000000..fd3062b
--- /dev/null
+++ b/Firebase Hosting/public/sitemap.xml	
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"> 
+  <url>
+    <loc>https://harold.apps.orsteg.com</loc>
+    <lastmod>2018-10-20</lastmod>
+  </url>
+  <url>
+    <loc>https://harold.apps.orsteg.com/store</loc>
+    <lastmod>2018-10-20</lastmod>
+  </url>
+</urlset>
\ No newline at end of file
diff --git a/Firebase Hosting/public/store/index.html b/Firebase Hosting/public/store/index.html
index f5dc049..b175411 100644
--- a/Firebase Hosting/public/store/index.html	
+++ b/Firebase Hosting/public/store/index.html	
@@ -1,33 +1,60 @@
 <!DOCTYPE html>
 <html>
-  <head>
-    
+
+<head>
+
     <meta charset="utf-8">
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>Harold - Timetable & (CGPA GPA) Calculator | Free download on play store</title>
+    <title>Harold - CGPA &amp; GPA Calculator | Free download on play store</title>
 
-    <meta property="og:title" content="Harold - Timetable &amp; (CGPA GPA) Calculator" />
+    <meta property="og:title" content="Harold - CGPA &amp; GPA Calculator | Free download on play store" />
     <meta property="og:locale" content="en_US" />
-    <meta name="description" content="Powerful cgpa calculator with a semester aware timetable" />
-    <meta property="og:description" content="Powerful cgpa calculator with a semester aware timetable" />
+    <meta name="description" content="Feature rich and simple cgpa calculator with downloadable course lists" />
+    <meta property="og:description" content="Feature rich and simple cgpa calculator with downloadable course lists" />
     <link rel="canonical" href="http://harold.apps.orsteg.com/store" />
     <meta property="og:url" content="http://harold.apps.orsteg.com/store" />
     <meta property="og:site_name" content="Harold.apps.Orsteg.com" />
-    <meta name="keywords" content="Harold - Timetable &amp; (CGPA GPA) Calculator, Harold - Timetable &amp; (CGPA GPA) Calculator for android, Harold - Timetable &amp; (CGPA GPA) Calculator android download, Harold - Timetable &amp; (CGPA GPA) Calculator apk, Harold - Timetable &amp; (CGPA GPA) Calculator android apk, Harold - Timetable &amp; (CGPA GPA) Calculator download" />
-    <meta property="og:image" content="https://image.winudf.com/v2/image/Y29tLm9yc3RlZy5oYXJvbGRfc2NyZWVuXzBfMTUyNjY0MTMzNl8wNzY/screen-0.jpg?h=500&amp;fakeurl=1&amp;type=.jpg" />
-    
+    <meta name="keywords" content="Harold - CGPA &amp; GPA Calculator, Harold - CGPA &amp; GPA Calculator for android, Harold - CGPA &amp; GPA Calculator android download, Harold - CGPA &amp; GPA Calculator apk, Harold - CGPA &amp; GPA Calculator android apk, Harold - CGPA &amp; GPA Calculator download, free download, play store"
+    />
+    <meta property="og:image" content="https://harold.apps.orsteg.com/orsteg_apps_harold_og_image.png" />
+
+    <link rel="shortcut icon" href="/favicon.png" />
+
     <script type="application/ld+json">
-        {"name":"Harold","description":"Timetable & (CGPA GPA) Calculator","@type":"WebSite","url":"http://harold.apps.orsteg.com/store","headline":"Harold - Timetable & (CGPA GPA) Calculator","@context":"http://schema.org"}
+        {
+            "name": "Harold",
+            "description": "Feature rich and simple cgpa calculator with downloadable course lists",
+            "@type": "WebSite",
+            "url": "http://harold.apps.orsteg.com/store",
+            "headline": "Harold - Timetable & (CGPA GPA) Calculator",
+            "@context": "http://schema.org"
+        }
+    </script>
+
+    <!-- Global site tag (gtag.js) - Google Analytics -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-125416356-2"></script>
+    <script>
+        window.dataLayer = window.dataLayer || [];
+
+        function gtag() {
+            dataLayer.push(arguments);
+        }
+        gtag('js', new Date());
+
+        gtag('config', 'UA-125416356-2');
     </script>
 
-  </head>
-  <body>
+
+</head>
+
+<body>
 
     <script>
-      window.location.href = "https://ytu5t.app.goo.gl/home";
+        window.location.href = "https://ytu5t.app.goo.gl/home";
     </script>
 
-  </body>
-</html>
+</body>
+
+</html>
\ No newline at end of file