Merge pull request #7 from line/fix/og-meta

Add og meta tag

index.html

@@ -6,15 +6,37 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta
       name="description"
-      content="A standalone frontend app to create and download zoom background image by giving freedom of text"
+      content="Create a custom virtual background online for free"
     />
+    <meta
+      property="og:url"
+      content="https://line.github.io/abc-virtual-background-maker/"
+    />
+    <meta property="og:type" content="website" />
     <meta property="og:title" content="ABC Virtual Background Maker" />
     <meta
       property="og:description"
-      content="Create a custom zoom background online for free"
+      content="Create a custom virtual background online for free"
+    />
+    <meta
+      property="og:image"
+      content="https://line.github.io/abc-virtual-background-maker/social.png"
+    />
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta property="twitter:domain" content="line.github.io" />
+    <meta
+      property="twitter:url"
+      content="https://line.github.io/abc-virtual-background-maker/"
+    />
+    <meta name="twitter:title" content="ABC Virtual Background Maker" />
+    <meta
+      name="twitter:description"
+      content="Create a custom virtual background online for free"
+    />
+    <meta
+      name="twitter:image"
+      content="https://line.github.io/abc-virtual-background-maker/social.png"
     />
-    <meta property="og:type" content="website" />
-    <meta property="og:image" content="/social.png" />
     <link rel="apple-touch-icon" sizes="57x57" href="/apple-icon-57x57.png" />
     <link rel="apple-touch-icon" sizes="60x60" href="/apple-icon-60x60.png" />
     <link rel="apple-touch-icon" sizes="72x72" href="/apple-icon-72x72.png" />
@@ -55,7 +77,10 @@
     <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
     <link rel="manifest" href="/manifest.json" />
     <meta name="msapplication-TileColor" content="#ffffff" />
-    <meta name="msapplication-TileImage" content="/ms-icon-144x144.png" />
+    <meta
+      name="msapplication-TileImage"
+      content="https://line.github.io/abc-virtual-background-maker/ms-icon-144x144.png"
+    />
     <meta name="theme-color" content="#ffffff" />
     <title>ABC Virtual Background Maker</title>
     <link