diff --git a/index.html b/index.html
index 49a6aae7..01e8c06a 100644
--- a/index.html
+++ b/index.html
@@ -33,6 +33,7 @@
 
 
   <meta charset="utf-8">
+  <!-- HTML Meta Tags -->
   <title>The R Graph Gallery &#8211; Help and inspiration for R charts</title>
   <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
   <meta name="description" content="The R graph gallery displays hundreds of charts made with R, always providing the reproducible code.">
@@ -40,11 +41,24 @@
   <meta name="author" content="Yan Holtz">
   <link rel="icon" href="img/logo/R_single_small.png">
 
+  <!-- Facebook Meta Tags -->
+  <meta property="og:url" content="https://www.r-graph-gallery.com/">
+  <meta property="og:type" content="website">
   <meta property="og:title" content="The R Graph Gallery &#8211; Help and inspiration for R charts">
-  <meta property="og:image" content="img/overview_RGG.png">
   <meta property="og:description" content="The R graph gallery displays hundreds of charts made with R, always providing the reproducible code.">
+  <meta property="og:image" content="/img/overview_RGG.png">
   <meta property="og:site_name" content="The R Graph Gallery">
 
+  <!-- Twitter Meta Tags -->
+  <meta name="twitter:card" content="summary_large_image">
+  <meta property="twitter:domain" content="r-graph-gallery.com">
+  <meta property="twitter:url" content="https://www.r-graph-gallery.com/">
+  <meta name="twitter:title" content="The R Graph Gallery – Help and inspiration for R charts">
+  <meta name="twitter:description" content="The R graph gallery displays hundreds of charts made with R, always providing the reproducible code.">
+  <meta name="twitter:image" content="/img/overview_RGG.png">
+
+  <!-- Meta Tags Generated via https://www.opengraph.xyz -->
+
   <!-- Bootstrap core CSS -->
   <link href="vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">