diff --git a/lib/static/css/main.css b/lib/static/css/main.css
index 61bd6ea5b77c..669b80f80905 100644
--- a/lib/static/css/main.css
+++ b/lib/static/css/main.css
@@ -1852,12 +1852,17 @@ footer .social {
     display: flex;
     flex-direction: column;
     padding-top: 50px;
+    min-height: calc(100vh - 50px);
   }
   .docMainWrapper {
-    flex-grow: 1;
     width: 100%;
     box-sizing: border-box;
   }
+  
+  /* those make the footer sticky and work even in IE 11 */
+  .navPusher > :first-child {
+    flex-grow: 1;
+  }
   footer.nav-footer {
     flex-shrink: 0;
   }
diff --git a/website/siteConfig.js b/website/siteConfig.js
index 4191c4b19b54..0cd93d4abb66 100644
--- a/website/siteConfig.js
+++ b/website/siteConfig.js
@@ -55,7 +55,7 @@ const siteConfig = {
     '/css/code-blocks-buttons.css',
   ],
   gaTrackingId: 'UA-44373548-31',
-  facebookAppId: '1615782811974223',
+  facebookAppId: '199138890728411',
   facebookComments: true,
   twitter: 'true',
   twitterUsername: 'docusaurus',