diff --git a/index.html b/index.html
index 097615b..a559ca8 100644
--- a/index.html
+++ b/index.html
@@ -22,9 +22,14 @@
     <link rel="manifest" href="/manifest.json">
     <meta name="msapplication-TileColor" content="#ffffff">
     <meta name="msapplication-TileImage" content="/icons/ms-icon-144x144.png">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
     <title>Plandy</title>
-    <meta name="Description" content="Simple schedule planner with Apple CloudKit.">
+    <meta name="description" content="Simple schedule planner with Apple CloudKit.">
+    <meta name="keywords" content="Calendar, Reminder, Check list, Todo list, Schedule, Task, Planning, Time Management, Planner" >
+    <meta name="author" content="Danah Kim">
+    <meta name="copyright" content="Case: D">
+    <meta name="application-name" content="Plandy">
+    <meta name="apple-mobile-web-app-title" content="Plandy">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
     <meta property="og:title" content="Plandy">
     <meta property="og:description" content="Simple schedule planner with Apple CloudKit.">
     <meta property="og:url" content="https://www.plandy.case-d.com/">
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