diff --git a/src/Controller/RelatedRorController.php b/src/Controller/RelatedRorController.php
index 0bbd8a5..27e4076 100644
--- a/src/Controller/RelatedRorController.php
+++ b/src/Controller/RelatedRorController.php
@@ -87,7 +87,10 @@ class RelatedRorController extends ControllerBase {
         $nid = intval($nid);
         $node = \Drupal\node\Entity\Node::load($nid);
         if($node == null) {
-            return new Response("Node not found", 400, array('Content-Type' => 'text/plain'));
+            return new Response("Node not found", 404, array('Content-Type' => 'text/plain'));
+        }
+        if($this->isFilteredOut($node)) {
+            return new Response("Node has no similarity", 404, array('Content-Type' => 'text/plain'));
         }
         $time = intval($node->getCreatedTime());
         $nearnodes = $this->presentNids(array_filter(
@@ -138,6 +141,13 @@ class RelatedRorController extends ControllerBase {
         return $resp;
     }
 
+    private function isFilteredOut(\Drupal\node\Entity\Node $node) {
+        if($node->getType() === 'page')
+            return true;
+
+        return false;
+    }
+
     public function relatedTopic() {
         // TODO: get node time
         // TODO: queryNearInTime($time)
@@ -151,7 +161,10 @@ class RelatedRorController extends ControllerBase {
         $nid = intval($nid);
         $node = \Drupal\node\Entity\Node::load($nid);
         if($node == null) {
-            return new Response("Node not found", 400, array('Content-Type' => 'text/plain'));
+            return new Response("Node not found", 404, array('Content-Type' => 'text/plain'));
+        }
+        if($this->isFilteredOut($node)) {
+            return new Response("Node similarity disallowed", 403, array('Content-Type' => 'text/plain'));
         }
         $orig_arr = $node->toArray();
         $time = intval($node->getCreatedTime());