diff --git a/website/templates/index.html b/website/templates/index.html
index ec972d49..fad9a334 100644
--- a/website/templates/index.html
+++ b/website/templates/index.html
@@ -8,6 +8,15 @@
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   <title>CS-Notes · CyC2018</title>
   <link rel="icon" href="/favicon.png">
+  <link rel="apple-touch-icon" href="/icons/icon-180.png">
+  <link rel="manifest" href="/manifest.webmanifest">
+  <meta property="og:type" content="website">
+  <meta property="og:site_name" content="CS-Notes">
+  <meta property="og:title" content="CS-Notes：技术面试必备的计算机基础知识">
+  <meta property="og:description" content="涵盖算法、操作系统、计算机网络、数据库、Java 与系统设计，配有学习路线和面试题练习。">
+  <meta property="og:url" content="https://cyc2018.xyz/">
+  <meta property="og:image" content="https://cyc2018.xyz/icons/icon-512.png">
+  <meta name="twitter:card" content="summary">
   <script>
     // 正文和侧边栏的 Markdown 在 Docsify 载入前就开始下载，Docsify 请求同一地址时直接用下载好的内容
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