Add basic metadata headers

diff --git a/index.html b/index.html
index 712341f8a0897a42353026b2c246e8f70e497711..8f3e5dfc5701cd95208658a7e1f6a90c64662de6 100644 (file)
--- a/index.html
+++ b/index.html
@@ -4,6 +4,11 @@
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <meta name="description" content="A tool to visualize how Unicode code points get encoded into UTF-8.">
+  <meta property="og:title" content="utf-8-visualizer">
+  <meta property="og:description" content="A tool to visualize how Unicode code points get encoded into UTF-8.">
+  <meta property="og:type" content="website">
+  <meta property="og:url" content="https://utf-8-visualizer.ardis.lu/">
   <link rel="icon" href="data:,">
   <link rel="stylesheet" href="/style.css">
   <title>utf-8-visualizer</title>