diff --git a/app/controllers/extranet/alumni/application_controller.rb b/app/controllers/extranet/alumni/application_controller.rb
index 340b7599ce67f1e09ffb53c69c9603dd746e18ce..68fe1bb3969171278d0893c694b00ef581a4be2a 100644
--- a/app/controllers/extranet/alumni/application_controller.rb
+++ b/app/controllers/extranet/alumni/application_controller.rb
@@ -4,6 +4,6 @@ class Extranet::Alumni::ApplicationController < Extranet::ApplicationController
 
   def breadcrumb
     super
-    add_breadcrumb University::Person::Alumnus.model_name.human(count: 2)
+    add_breadcrumb University::Person::Alumnus.model_name.human(count: 2), alumni_university_persons_path
   end
 end
\ No newline at end of file
diff --git a/app/controllers/extranet/contacts/application_controller.rb b/app/controllers/extranet/contacts/application_controller.rb
index b9e8ad4120f98555471d3b25bc83d47f725cc86b..29b5efccbf2f785f03caa0d7d9dcf03608540813 100644
--- a/app/controllers/extranet/contacts/application_controller.rb
+++ b/app/controllers/extranet/contacts/application_controller.rb
@@ -4,6 +4,6 @@ class Extranet::Contacts::ApplicationController < Extranet::ApplicationControlle
 
   def breadcrumb
     super
-    add_breadcrumb Communication::Extranet.human_attribute_name(:feature_contacts)
+    add_breadcrumb Communication::Extranet.human_attribute_name(:feature_contacts), contacts_university_persons_path
   end
 end
\ No newline at end of file
diff --git a/app/views/extranet/alumni/organizations/show.html.erb b/app/views/extranet/alumni/organizations/show.html.erb
index e90c709e23750461314018036a4b24c018ade7d3..acd731b164d6ad82d329bda24f860193c299e75f 100644
--- a/app/views/extranet/alumni/organizations/show.html.erb
+++ b/app/views/extranet/alumni/organizations/show.html.erb
@@ -65,7 +65,9 @@
       <% if @organization.url.present? %>
         <dt><%= University::Organization.human_attribute_name(:url) %></dt>
         <dd>
-          <%= link_to @organization.url, @organization.url %>
+          <a href="<%= social_twitter_to_url @organization.url %>" target="_blank" rel="noreferrer">
+            <%= social_twitter_to_s @organization.url %>
+          </a>
         </dd>
       <% end %>
     </dl>
diff --git a/app/views/extranet/contacts/organizations/show.html.erb b/app/views/extranet/contacts/organizations/show.html.erb
index 054d501404c5eb21bf09efb40928362a74e1802a..c6e79be807db8b47d3db9b3c04a418c711b502de 100644
--- a/app/views/extranet/contacts/organizations/show.html.erb
+++ b/app/views/extranet/contacts/organizations/show.html.erb
@@ -12,10 +12,7 @@
   </div>
   <div class="offset-md-1 col-md-3 order-1 order-md-2">
     <%= kamifusen_tag @organization.logo, width: 400, class: 'img-fluid organization__logo' if @organization.logo.attached? %>
-
     <dl>
-        <dt><%= University::Organization.human_attribute_name(:kind) %></dt>
-        <dd><%= @organization.kind_i18n %></dd>
       <% if @organization.phone.present? %>
         <dt><%= University::Organization.human_attribute_name(:phone) %></dt>
         <dd><a href="tel:<%= @organization.phone %>" target="_blank" rel="noreferrer"><%= @organization.phone %></a></dd>
@@ -27,7 +24,9 @@
       <% if @organization.url.present? %>
         <dt><%= University::Organization.human_attribute_name(:url) %></dt>
         <dd>
-          <%= link_to @organization.url, @organization.url %>
+          <a href="<%= social_twitter_to_url @organization.url %>" target="_blank" rel="noreferrer">
+            <%= social_twitter_to_s @organization.url %>
+          </a>
         </dd>
       <% end %>
     </dl>