diff --git a/app/logical/post_sets/post.rb b/app/logical/post_sets/post.rb
index e463bd33f..245cf7da8 100644
--- a/app/logical/post_sets/post.rb
+++ b/app/logical/post_sets/post.rb
@@ -45,7 +45,7 @@ module PostSets
       timeout = 3000
       
       if tag_array.any? {|x| x =~ /^source:.*\*.*pixiv/}
-        timeout = 300
+        timeout = 1000
       end
       
       @posts ||= begin
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 4f62cfcd5..884463860 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -369,28 +369,24 @@ class Tag < ActiveRecord::Base
     end
     
     def update_related_if_outdated
-      if should_update_related?
-        if post_count < 100
-          update_related
-        else
-          delay(:queue => "default").update_related 
-        end
+      if should_update_related? && Delayed::Job.count < 200
+        delay(:queue => "default").update_related 
       end
     end
     
     def related_cache_expiry
       base = Math.sqrt([post_count, 0].max)
-      if base > 24
+      if base > 24 * 7
+        24 * 7
+      elsif base < 24
         24
-      elsif base < 1
-        1
       else
         base
       end
     end
     
     def should_update_related?
-      Delayed::Job.count < 200 && (related_tags.blank? || related_tags_updated_at.blank? || related_tags_updated_at < related_cache_expiry.hours.ago)
+      related_tags.blank? || related_tags_updated_at.blank? || related_tags_updated_at < related_cache_expiry.hours.ago
     end
     
     def related_tag_array
diff --git a/app/views/posts/partials/show/_share.html.erb b/app/views/posts/partials/show/_share.html.erb
index 019154b3a..53afa9930 100644
--- a/app/views/posts/partials/show/_share.html.erb
+++ b/app/views/posts/partials/show/_share.html.erb
@@ -14,7 +14,7 @@
       "title": "<%= j post.presenter.humanized_essential_tag_string %>"
     };
   </script>
-  <script type="text/javascript" src="xhttp://s7.addthis.com/js/300/addthis_widget.js#pubid=ra-4f8dbf8a41066ac7"></script>
+  <script type="text/javascript" src="http://s7.addthis.com/js/300/addthis_widget.js#pubid=ra-4f8dbf8a41066ac7"></script>
 
   <!-- AddThis Button END -->  
 </div>