diff --git a/app/javascript/src/javascripts/posts.js.erb b/app/javascript/src/javascripts/posts.js.erb
index 795c23e87..6c8a20de3 100644
--- a/app/javascript/src/javascripts/posts.js.erb
+++ b/app/javascript/src/javascripts/posts.js.erb
@@ -1,5 +1,3 @@
-/* global addthis */
-
 import Utility from './utility'
 import Hammer from 'hammerjs'
 import RelatedTag from './related_tag.js.erb'
@@ -99,7 +97,6 @@ Post.open_edit_dialog = function() {
 
   $("#edit").show();
   $("#comments").hide();
-  $("#share").hide();
   $("#post-sections li").removeClass("active");
   $("#post-edit-link").parent("li").addClass("active");
   $("#related-tags-container").show();
@@ -432,12 +429,10 @@ Post.initialize_post_sections = function() {
     if (e.target.hash === "#comments") {
       $("#comments").show();
       $("#edit").hide();
-      $("#share").hide();
       $("#recommended").hide();
     } else if (e.target.hash === "#edit") {
       $("#edit").show();
       $("#comments").hide();
-      $("#share").hide();
       $("#post_tag_string").focus().selectEnd().height($("#post_tag_string")[0].scrollHeight);
       $("#related-tags-button").trigger("click");
       $("#fetch-data-manual").trigger("click");
@@ -445,7 +440,6 @@ Post.initialize_post_sections = function() {
     } else if (e.target.hash === "#recommended") {
       $("#comments").hide();
       $("#edit").hide();
-      $("#share").hide();
       $("#recommended").show();
       $.get("/recommended_posts", {context: "post", post_id: Utility.meta("post-id")}, function(data) {
         $("#recommended").html(data);
@@ -453,8 +447,6 @@ Post.initialize_post_sections = function() {
     } else {
       $("#edit").hide();
       $("#comments").hide();
-      $("#share").show();
-      addthis.init();
       $("#recommended").hide();
     }
 
diff --git a/app/views/posts/partials/index/_seo_meta_tags.html.erb b/app/views/posts/partials/index/_seo_meta_tags.html.erb
index ef03593cb..4e7f20e6d 100644
--- a/app/views/posts/partials/index/_seo_meta_tags.html.erb
+++ b/app/views/posts/partials/index/_seo_meta_tags.html.erb
@@ -23,7 +23,7 @@
   <meta name="rating" content="adult">
 <% end %>
 
-<%= tag.meta name: "canonical", content: posts_url(tags: params[:tags], host: Danbooru.config.domain) %>
+<%= tag.meta name: "canonical", content: posts_url(tags: params[:tags], host: Danbooru.config.hostname, protocol: "https") %>
 
 <% if params[:tags].present? %>
   <% "Find the best art of #{params[:tags].tr('_', ' ').titleize} on #{Danbooru.config.app_name}".tap do |desc| %>
@@ -43,7 +43,7 @@
 <%= tag.meta name: "og:site", content: Danbooru.config.app_name %>
 
 <% if @post_set.best_post.present? %>
-  <%= tag.meta name: "twitter:image", content: @post_set.best_post.file_url %>
-  <%= tag.meta name: "og:image", content: @post_set.best_post.file_url %>
+  <%= tag.meta name: "twitter:image", content: @post_set.best_post.open_graph_image_url %>
+  <%= tag.meta name: "og:image", content: @post_set.best_post.open_graph_image_url %>
   <%= tag.meta name: "twitter:card", content: "summary_large_image" %>
 <% end %>
\ No newline at end of file
diff --git a/app/views/posts/partials/index/_share.html.erb b/app/views/posts/partials/index/_share.html.erb
index 96cf02d88..c8bad8ace 100644
--- a/app/views/posts/partials/index/_share.html.erb
+++ b/app/views/posts/partials/index/_share.html.erb
@@ -7,13 +7,23 @@
 </div>
 
 <script type="text/javascript">
-  var addthis_config = {"data_track_addressbar": false, "pubid": "<%= Danbooru.config.addthis_key %>"};
-  var addthis_share = {
-    "url":"<%= j posts_url(tags: params[:tags]) %>",
-    "title": "<%= escape_javascript @post_set.humanized_tag_string %> - <%= Danbooru.config.app_name %>"
-  };
+  window.addthis_config = {"data_track_addressbar": false, "pubid": "<%= Danbooru.config.addthis_key %>"};
+  <% if params[:tags].present? %>
+	  window.addthis_share = {
+	    "url":"<%= j posts_url(tags: params[:tags]) %>",
+	    "title": "Find more art about <%= escape_javascript @post_set.humanized_tag_string %> on <%= Danbooru.config.app_name %>"
+	  };
+	<% else %>
+    window.addthis_share = {
+      "url":"<%= j posts_url %>",
+      "title": "Find good anime art fast on <%= Danbooru.config.app_name %>"
+    };
+  <% end %>
+  $(function() {
+  	addthis.init();
+  });
 </script>
 
-<script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#async=1"></script>
+<script type="text/javascript" src="https://s7.addthis.com/js/300/addthis_widget.js#async=1"></script>
 
 <% end %>
diff --git a/app/views/posts/partials/show/_share.html.erb b/app/views/posts/partials/show/_share.html.erb
index 6be5b3d6a..a38e76f63 100644
--- a/app/views/posts/partials/show/_share.html.erb
+++ b/app/views/posts/partials/show/_share.html.erb
@@ -7,13 +7,16 @@
 </div>
 
 <script type="text/javascript">
-  var addthis_config = {"data_track_addressbar": false, "pubid": "<%= Danbooru.config.addthis_key %>"};
-  var addthis_share = {
+  window.addthis_config = {"data_track_addressbar": false, "pubid": "<%= Danbooru.config.addthis_key %>"};
+  window.addthis_share = {
     "url":"<%= j post_url(post) %>",
-    "title": "<%= '#r_18 ' unless post.rating == 's' %><%= escape_javascript post.presenter.humanized_essential_tag_string.html_safe %> - <%= Danbooru.config.app_name %>"
+    "title": "<%= escape_javascript post.presenter.humanized_essential_tag_string.html_safe %> on <%= Danbooru.config.app_name %>"
   };
+  $(function() {
+  	addthis.init();
+  });
 </script>
 
-<script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#async=1"></script>
+<script type="text/javascript" src="https://s7.addthis.com/js/300/addthis_widget.js#async=1"></script>
 
 <% end %>
diff --git a/app/views/posts/show.html.erb b/app/views/posts/show.html.erb
index 5e4189fcd..35c6362f7 100644
--- a/app/views/posts/show.html.erb
+++ b/app/views/posts/show.html.erb
@@ -170,6 +170,8 @@
     <meta name="report-server" content="<%= Danbooru.config.reportbooru_server %>">
   <% end %>
 
+  <%= tag.meta name: "canonical", content: post_url(@post, host: Danbooru.config.hostname, protocol: "https") %>
+
   <%# Twitter properties %>
   <% if @post.twitter_card_supported? %>
     <meta name="twitter:card" content="summary_large_image">
@@ -186,6 +188,9 @@
     <meta name="rating" content="adult">
   <% end %>
 
+  <%= tag.meta name: "og:type", content: "website" %>
+  <%= tag.meta name: "og:site", content: Danbooru.config.app_name %>
+
   <%= auto_discovery_link_tag(:atom, comments_url(:atom, search: { post_id: @post.id }), title: "Comments for post ##{@post.id}") %>
 <% end %>