diff --git a/app/models/communication/website/permalink.rb b/app/models/communication/website/permalink.rb
index 9cd67412359b19b16418b75d0ca17e88d8476ae8..0ec55be151e040419c395148796bc638e95065f7 100644
--- a/app/models/communication/website/permalink.rb
+++ b/app/models/communication/website/permalink.rb
@@ -91,13 +91,15 @@ class Communication::Website::Permalink < ApplicationRecord
     p
   end
 
+  # Can be overwritten
   def published?
-    # Can be overwritten
-    true
+    about.for_website?(website)
   end
 
   def substitutions
-    raise NotImplementedError
+    {
+      slug: about.slug
+    }
   end
 
   def set_university
diff --git a/app/models/communication/website/permalink/administrator.rb b/app/models/communication/website/permalink/administrator.rb
index cfdbf699097a0ecc0f32f8e9c61aab593501d481..03cec636667087c359451268ecf4e0b8d3fa4d21 100644
--- a/app/models/communication/website/permalink/administrator.rb
+++ b/app/models/communication/website/permalink/administrator.rb
@@ -10,14 +10,4 @@ class Communication::Website::Permalink::Administrator < Communication::Website:
   def self.pattern_in_website(website)
     "#{website.special_page(:persons).path_without_language}:slug/roles/"
   end
-
-  protected
-
-  def published?
-    about.for_website?(website)
-  end
-
-  def published_path
-    pattern.gsub(":slug", about.slug)
-  end
 end
diff --git a/app/models/communication/website/permalink/author.rb b/app/models/communication/website/permalink/author.rb
index 848cf48b9f19a26987c303d10faf7ba9f0eb0531..601e992ed3e743910bde33d954794471ffd7cbae 100644
--- a/app/models/communication/website/permalink/author.rb
+++ b/app/models/communication/website/permalink/author.rb
@@ -11,14 +11,4 @@ class Communication::Website::Permalink::Author < Communication::Website::Permal
   def self.pattern_in_website(website)
     "#{website.special_page(:persons).path_without_language}:slug/#{website.special_page(:communication_posts).slug}/"
   end
-
-  protected
-
-  def published?
-    about.for_website?(website)
-  end
-
-  def published_path
-    pattern.gsub(":slug", about.slug)
-  end
 end
diff --git a/app/models/communication/website/permalink/category.rb b/app/models/communication/website/permalink/category.rb
index 89f797a3c37d9f4e0782a2e788f366b7bfc1986e..9f98bfb5f3480ffb064b1615d2b2a893b9bc6dd6 100644
--- a/app/models/communication/website/permalink/category.rb
+++ b/app/models/communication/website/permalink/category.rb
@@ -13,7 +13,9 @@ class Communication::Website::Permalink::Category < Communication::Website::Perm
 
   protected
 
-  def published_path
-    pattern.gsub(":slug", about.path)
+  def substitutions
+    {
+      slug: about.path
+    }
   end
 end
diff --git a/app/models/communication/website/permalink/diploma.rb b/app/models/communication/website/permalink/diploma.rb
index ccf32fbbf4f6a4ab211e8c258a00e5ac1348bc16..7a94109c56ae504a209f55dae43592c9329f36d0 100644
--- a/app/models/communication/website/permalink/diploma.rb
+++ b/app/models/communication/website/permalink/diploma.rb
@@ -10,14 +10,4 @@ class Communication::Website::Permalink::Diploma < Communication::Website::Perma
   def self.pattern_in_website(website)
     "#{website.special_page(:education_diplomas).path_without_language}:slug/"
   end
-
-  protected
-
-  def published?
-    about.for_website?(website)
-  end
-
-  def published_path
-    pattern.gsub(":slug", about.slug)
-  end
 end
diff --git a/app/models/communication/website/permalink/organization.rb b/app/models/communication/website/permalink/organization.rb
index fdd564a1a7cff285986a679432c3bad09f560dee..74384a95255c7faa9d552be0d20cbad625bbda2b 100644
--- a/app/models/communication/website/permalink/organization.rb
+++ b/app/models/communication/website/permalink/organization.rb
@@ -10,14 +10,4 @@ class Communication::Website::Permalink::Organization < Communication::Website::
   def self.pattern_in_website(website)
     "#{website.special_page(:organizations).path_without_language}:slug/"
   end
-
-  protected
-
-  def published?
-    about.for_website?(website)
-  end
-
-  def published_path
-    pattern.gsub(":slug", about.slug)
-  end
 end
diff --git a/app/models/communication/website/permalink/page.rb b/app/models/communication/website/permalink/page.rb
index 1afa2991aa6d6ca3b6d5c147426e39e159d8d422..ccf7bc38d0c8ee2adeb2c3cdcbb421ffbbb5e15e 100644
--- a/app/models/communication/website/permalink/page.rb
+++ b/app/models/communication/website/permalink/page.rb
@@ -9,6 +9,7 @@ class Communication::Website::Permalink::Page < Communication::Website::Permalin
     website.id == about.communication_website_id && about.published
   end
 
+  # Pages are special, there is no substitution
   def published_path
     about.path
   end
diff --git a/app/models/communication/website/permalink/person.rb b/app/models/communication/website/permalink/person.rb
index 9510fa77b92372bcc81ee80e77f3f213c261d96b..ba89ef1dcd32e771fadb81a4608a376e2d3ac433 100644
--- a/app/models/communication/website/permalink/person.rb
+++ b/app/models/communication/website/permalink/person.rb
@@ -10,14 +10,4 @@ class Communication::Website::Permalink::Person < Communication::Website::Permal
   def self.pattern_in_website(website)
     "#{website.special_page(:persons).path_without_language}:slug/"
   end
-
-  protected
-
-  def published?
-    about.for_website?(website)
-  end
-
-  def published_path
-    pattern.gsub(":slug", about.slug)
-  end
 end
diff --git a/app/models/communication/website/permalink/researcher.rb b/app/models/communication/website/permalink/researcher.rb
index f9d52b05ee7d4fa914e0d6ed29cdf17a23edbba5..33bb67890b5b962110cd40be6962ba18c1d726e2 100644
--- a/app/models/communication/website/permalink/researcher.rb
+++ b/app/models/communication/website/permalink/researcher.rb
@@ -10,14 +10,4 @@ class Communication::Website::Permalink::Researcher < Communication::Website::Pe
   def self.pattern_in_website(website)
     "#{website.special_page(:persons).path_without_language}:slug/papers/"
   end
-
-  protected
-
-  def published?
-    about.for_website?(website)
-  end
-
-  def published_path
-    pattern.gsub(":slug", about.slug)
-  end
 end
diff --git a/app/models/communication/website/permalink/teacher.rb b/app/models/communication/website/permalink/teacher.rb
index de324a201b52fc1cb9e47e45b9e47ca727f96e5e..7e99aaefd1d56d36c86fb9a524428342b4061516 100644
--- a/app/models/communication/website/permalink/teacher.rb
+++ b/app/models/communication/website/permalink/teacher.rb
@@ -10,14 +10,4 @@ class Communication::Website::Permalink::Teacher < Communication::Website::Perma
   def self.pattern_in_website(website)
     "#{website.special_page(:persons).path_without_language}:slug/programs/"
   end
-
-  protected
-
-  def published?
-    about.for_website?(website)
-  end
-
-  def published_path
-    pattern.gsub(":slug", about.slug)
-  end
 end