diff --git a/public/android-chrome-192x192.png b/public/android-chrome-192x192.png
old mode 100755
new mode 100644
index 019b4c0..b0bf530
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diff --git a/public/android-chrome-512x512.png b/public/android-chrome-512x512.png
deleted file mode 100755
index bcbbd73..0000000
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diff --git a/public/apple-touch-icon.png b/public/apple-touch-icon.png
old mode 100755
new mode 100644
index c18e29c..5443114
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diff --git a/public/browserconfig.xml b/public/browserconfig.xml
new file mode 100644
index 0000000..b3930d0
--- /dev/null
+++ b/public/browserconfig.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+    <msapplication>
+        <tile>
+            <square150x150logo src="/mstile-150x150.png"/>
+            <TileColor>#da532c</TileColor>
+        </tile>
+    </msapplication>
+</browserconfig>
diff --git a/public/favicon-16x16.png b/public/favicon-16x16.png
old mode 100755
new mode 100644
index c52be3c..70f397f
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diff --git a/public/favicon-32x32.png b/public/favicon-32x32.png
old mode 100755
new mode 100644
index f112b48..a7f1350
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diff --git a/public/favicon.ico b/public/favicon.ico
old mode 100755
new mode 100644
index 2161ccf..98687cd
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diff --git a/public/index.html b/public/index.html
index c098c85..f703d04 100644
--- a/public/index.html
+++ b/public/index.html
@@ -3,15 +3,40 @@
 
 <head>
   <meta charset="utf-8" />
-  <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
-  <link rel="apple-touch-icon" sizes="180x180" href="%PUBLIC_URL%/apple-touch-icon.png">
-  <link rel="icon" type="image/png" sizes="32x32" href="/%PUBLIC_URL%favicon-32x32.png">
-  <link rel="icon" type="image/png" sizes="16x16" href="%PUBLIC_URL%/favicon-16x16.png">
   <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <meta name="theme-color" content="#000000" />
   <meta name="google-site-verification" content="qURd0VGTLIUqEhf2g4lSg0U6Lf7OmiHf4SiNhqPI6BI" />
   <meta name="description"
     content="If you are Canadian, low income, approaching retirement and have savings in an RRSP, withdrawing from your RRSP during retirment could reduce the amount of GIS (Guaranteed Income Supplement) you are entitled to. Use this calculator to find out if you could be eligible for more GIS by cashing out your RRSP early." />
+
+  <!-- icons -->
+  <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
+  <link rel="apple-touch-icon" sizes="180x180" href="%PUBLIC_URL%/apple-touch-icon.png">
+  <link rel="icon" type="image/png" sizes="32x32" href="%PUBLIC_URL%/favicon-32x32.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="%PUBLIC_URL%/favicon-16x16.png">
+  <link rel="manifest" href="%PUBLIC_URL%/manifest.json">
+  <link rel="mask-icon" href="%PUBLIC_URL%/safari-pinned-tab.svg" color="#5bbad5">
+  <meta name="msapplication-TileColor" content="#da532c">
+  <meta name="theme-color" content="#ffffff">
+
+  <!-- facebook -->
+  <meta property="og:type" content="website">
+  <meta property="og:title" content="RRSP GIS Calculator">
+  <meta property="og:description"
+    content="If you are Canadian, low income, approaching retirement and have savings in an RRSP, withdrawing from your RRSP during retirment could reduce the amount of GIS (Guaranteed Income Supplement) you are entitled to. Use this calculator to find out if you could be eligible for more GIS by cashing out your RRSP early.">
+  <meta property="og:image" content="https://rrspgiscalculator.site/scale.png">
+  <meta property="og:image:width" content="189">
+  <meta property="og:image:height" content="199">
+  <meta property="og:url" content="https://rrspgiscalculator.site/index.html">
+
+  <!-- twitter -->
+  <meta property="twitter:card" content="summary">
+  <meta property="twitter:domain" value="rrspgiscalculator.site">
+  <meta property="twitter:title" value="RRSP GIS Calculator">
+  <meta property="twitter:description"
+    value="If you are Canadian, low income, approaching retirement and have savings in an RRSP, withdrawing from your RRSP during retirment could reduce the amount of GIS (Guaranteed Income Supplement) you are entitled to. Use this calculator to find out if you could be eligible for more GIS by cashing out your RRSP early.">
+  <meta property="twitter:image" content="https://rrspgiscalculator.site/scale.png">
+  <meta property="twitter:url" value="https://rrspgiscalculator.site/index.html">
+
   <!--
       manifest.json provides metadata used when your web app is installed on a
       user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
diff --git a/public/manifest.json b/public/manifest.json
index a90b337..f390d04 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -1,6 +1,6 @@
 {
-  "short_name": "RRSP vs GIS",
-  "name": "RRSP vs GIS Calculator",
+  "short_name": "RRSP GIS Calculator",
+  "name": "RRSP GIS Calculator",
   "icons": [
     {
       "src": "favicon.ico",
@@ -11,11 +11,6 @@
       "src": "android-chrome-192x192.png",
       "sizes": "192x192",
       "type": "image/png"
-    },
-    {
-      "src": "android-chrome-512x512.png",
-      "sizes": "512x512",
-      "type": "image/png"
     }
   ],
   "start_url": "./index.html",
diff --git a/public/mstile-150x150.png b/public/mstile-150x150.png
new file mode 100644
index 0000000..3b8db61
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diff --git a/public/safari-pinned-tab.svg b/public/safari-pinned-tab.svg
new file mode 100644
index 0000000..aaa4503
--- /dev/null
+++ b/public/safari-pinned-tab.svg
@@ -0,0 +1,34 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
+ "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+ width="199.000000pt" height="199.000000pt" viewBox="0 0 199.000000 199.000000"
+ preserveAspectRatio="xMidYMid meet">
+<metadata>
+Created by potrace 1.11, written by Peter Selinger 2001-2013
+</metadata>
+<g transform="translate(0.000000,199.000000) scale(0.100000,-0.100000)"
+fill="#000000" stroke="none">
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+</g>
+</svg>
diff --git a/public/scale.png b/public/scale.png
new file mode 100644
index 0000000..54947e0
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