diff --git a/app/assets/javascripts/external_users.js b/app/assets/javascripts/external_users.js
index 8e4ec52e..e262e5e5 100644
--- a/app/assets/javascripts/external_users.js
+++ b/app/assets/javascripts/external_users.js
@@ -7,12 +7,14 @@ $(function() {
 
     var buildTagContainer = function(tag) {
       return '\
-        <div class="tag">\
-          <div class="name">' + tag.key + '</div>\
-          <div class="progress">\
-            <div class="progress-bar" role="progressbar" style="width:' + tag.value + '%">' + tag.value + '%</div>\
+        <a href="' + location.href +'/statistics?tag=' + tag.id + '">\
+          <div class="tag">\
+            <div class="name">' + tag.key + '</div>\
+            <div class="progress">\
+              <div class="progress-bar" role="progressbar" style="width:' + tag.value + '%">' + tag.value + '%</div>\
+            </div>\
           </div>\
-        </div>';
+        </a>';
     };
 
     var jqxhr = $.ajax(window.location.href + '/tag_statistics', {
diff --git a/app/controllers/external_users_controller.rb b/app/controllers/external_users_controller.rb
index cd46a72e..441edd67 100644
--- a/app/controllers/external_users_controller.rb
+++ b/app/controllers/external_users_controller.rb
@@ -72,8 +72,8 @@ class ExternalUsersController < ApplicationController
 
     statistics = []
     tags = ProxyExercise.new().get_user_knowledge_and_max_knowledge(@user, @user.participations.uniq.compact)
-    tags[:user_topic_knowledge].each_pair do |key, value|
-      statistics.append({:key => key.name.to_s, :value => (100.0 / tags[:max_topic_knowledge][key] * value).round})
+    tags[:user_topic_knowledge].each_pair do |tag, value|
+      statistics.append({key: tag.name.to_s, value: (100.0 / tags[:max_topic_knowledge][tag] * value).round, id: tag.id})
     end
     statistics.sort_by! {|item| -item[:value]}