diff --git a/images/og-image.png b/images/og-image.png
new file mode 100644
index 00000000..ed5a6ecd
Binary files /dev/null and b/images/og-image.png differ
diff --git a/index.html b/index.html
index 1ffd90cb..458c77dc 100644
--- a/index.html
+++ b/index.html
@@ -375,9 +375,5 @@
         </section>
       </section>
     </main>
-
-    <footer>
-      <!-- ...code goes here... -->
-    </footer>
   </body>
 </html>
diff --git a/index.template.html b/index.template.html
index 96ea79df..c470ee51 100644
--- a/index.template.html
+++ b/index.template.html
@@ -15,7 +15,7 @@
   <meta property="og:image" content="https://pomax.github.io/bezierinfo/images/og-image.png">
   <meta property="og:type" content="text">
   <meta property="og:url" content="https://pomax.github.io/bezierinfo">
-  <meta property="og:description" content="A detailed explanation of Bézier curves, and how to do the many things that we commonly want to do with them.">
+  <meta property="og:description" content="{{ description }}">
   <meta property="og:locale" content="{{ locale }}}}">
   <meta property="og:type" content="article">
   <meta property="og:published_time" content="2013-06-13 12:00:00">
@@ -23,6 +23,14 @@
   <meta property="og:section" content="Bézier Curves">
   <meta property="og:tag" content="Bézier Curves">
 
+  <!-- twitter card information -->
+  <meta name="twitter:card" content="summary">
+  <meta name="twitter:site" content="@TheRealPomax" />
+  <meta name="twitter:creator" content="@TheRealPomax">
+  <meta name="twitter:image" content="https://pomax.github.io/bezierinfo/images/og-image.png">
+  <meta name="twitter:url" content="https://pomax.github.io/bezierinfo">
+  <meta name="twitter:description" content="{{ description }}">
+
   <!-- my own referral/page hit tracker -->
   <script src="./lib/site/referrer.js" type="module" async></script>
 
@@ -61,10 +69,6 @@
       {{ chapters }}
     </section>
   </main>
-
-  <footer>
-    <!-- ...code goes here... -->
-  </footer>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/ja-JP/index.html b/ja-JP/index.html
index 025d8854..eb14fa78 100644
--- a/ja-JP/index.html
+++ b/ja-JP/index.html
@@ -289,9 +289,5 @@
         </section>
       </section>
     </main>
-
-    <footer>
-      <!-- ...code goes here... -->
-    </footer>
   </body>
 </html>
diff --git a/zh-CN/index.html b/zh-CN/index.html
index 4798cd90..113621d9 100644
--- a/zh-CN/index.html
+++ b/zh-CN/index.html
@@ -275,9 +275,5 @@
         </section>
       </section>
     </main>
-
-    <footer>
-      <!-- ...code goes here... -->
-    </footer>
   </body>
 </html>