diff --git a/app/controllers/links_controller.rb b/app/controllers/links_controller.rb
index 20f1c7d..05f502c 100644
--- a/app/controllers/links_controller.rb
+++ b/app/controllers/links_controller.rb
@@ -54,6 +54,6 @@ class LinksController < ApplicationController
 
   # Only allow a list of trusted parameters through.
   def link_params
-    params.require(:link).permit(:url, :text, :description_html, :last_check_at, :fail_count, :link_category_id)
+    params.require(:link).permit(:url, :text, :description, :link_category_id)
   end
 end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 70edee3..7ebfbf9 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -6,6 +6,8 @@ module ApplicationHelper
   delegate :filter_params, to: :controller
 
   def multilang_form_field(form, attribute, as: :text_field)
+    return form.send(as, "#{attribute}_de")
+
     col_width = as == :rich_text_area ? 12 : 12 / I18n.available_locales.count
     tag.div(class: "row") do
       fields = I18n.available_locales.map { _1.to_s.split("-").first }.map do |lang|
diff --git a/app/models/concerns/filter_scopeable.rb b/app/models/concerns/filter_scopeable.rb
new file mode 100644
index 0000000..564a1e0
--- /dev/null
+++ b/app/models/concerns/filter_scopeable.rb
@@ -0,0 +1,11 @@
+module FilterScopeable
+  extend ActiveSupport::Concern
+
+  def filter_scope(name, block)
+    define_method(name) do |filter_value|
+      return self if filter_value.blank?
+
+      instance_exec(filter_value, &block)
+    end
+  end
+en
\ No newline at end of file
diff --git a/app/models/link.rb b/app/models/link.rb
index 067e159..98e7e25 100644
--- a/app/models/link.rb
+++ b/app/models/link.rb
@@ -6,7 +6,7 @@ class Link < ApplicationRecord
   belongs_to :link_category
   has_and_belongs_to_many :checks
 
-  has_rich_text :description_html
+  has_rich_text :description
 
   validates :url, :text, presence: true
   validate :check_url
diff --git a/app/views/checks/_form.html.slim b/app/views/checks/_form.html.slim
index 72933a1..64cb873 100644
--- a/app/views/checks/_form.html.slim
+++ b/app/views/checks/_form.html.slim
@@ -1,27 +1,23 @@
 = bootstrap_form_with(model: check, remote: true) do |form|
   h2 Details
-  = form.collection_select :principle_id, Principle.all.sort_by(&:t_name), :id, :t_name
-  = form.text_field :number
   = multilang_form_field(form, :name)
-  = form.collection_check_boxes :standard_ids, Standard.all.sort_by(&:t_name), :id, :t_name, include_blank: true 
+  = form.text_field :number
+  .row
+    = form.collection_radio_buttons(:principle_id, Principle.all.sort_by(&:t_name), :id, :t_name) { |b| b.label(class: "col-md-2") { b.radio_button + b.text } }
+  = form.collection_check_boxes :standard_ids, Standard.all.sort_by{ _1.t_name.downcase }, :id, :t_name, include_blank: true 
   h2 Zugänglichkeit
   .row
-    .col-md-3
-      = form.check_box :visual, label: t("disability.visual").capitalize
-    .col-md-3
-      = form.check_box :auditory, label: t("disability.auditory").capitalize
-    .col-md-3
-      = form.check_box :physical, label: t("disability.physical").capitalize
-    .col-md-3
-      = form.check_box :cognitive, label: t("disability.cognitive").capitalize
+    - %w[visual auditory physical cognitive].sort_by { |d| t("disability.#{d}") }.each do |d|
+      .col-md-3
+        = form.check_box d, label: t("disability.#{d}").capitalize
   h2 Anwendbarkeit
   .row
-    .col-md-6
-      = form.check_box :applicable_to_web, label: t("applicability.applicable_to_web").capitalize
-    .col-md-6
-      = form.check_box :applicable_to_app, label: t("applicability.applicable_to_app").capitalize
+    - %w[applicable_to_web applicable_to_app].sort_by { |d| t("applicability.#{d}") }.each do |d|
+      .col-md-6
+        = form.check_box d, label: t("applicability.#{d}").capitalize
   h2 Richtlinie
   = form.text_field :external_number
+  = form.text_field :external_url
   = form.select :conformity_level, Check.conformity_levels.keys, include_blank: true
   = multilang_form_field(form, :conformity_notice, as: :rich_text_area)
   
@@ -36,7 +32,6 @@
   = multilang_form_field(form, :criterion_details, as: :rich_text_area)
   = multilang_form_field(form, :example, as: :rich_text_area)
   = multilang_form_field(form, :exemption_details, as: :rich_text_area)
-  = multilang_form_field(form, :standard_text, as: :rich_text_area)
 
   h2 Intern
   = form.rich_text_area :test_instructions
diff --git a/app/views/links/_link.html.erb b/app/views/links/_link.html.erb
index ffdb788..7208183 100644
--- a/app/views/links/_link.html.erb
+++ b/app/views/links/_link.html.erb
@@ -11,7 +11,7 @@
 
   <p>
     <strong>Description:</strong>
-    <%= link.description_html %>
+    <%= link.description %>
   </p>
 
   <p>
diff --git a/app/views/links/index.html.erb b/app/views/links/index.html.erb
index d88f4ab..ecca5d6 100644
--- a/app/views/links/index.html.erb
+++ b/app/views/links/index.html.erb
@@ -18,7 +18,7 @@
         <td><%= link_to(link.link_category.name, url_for(link)) %></td>
         <td><%= link_to(truncate(link.url), link.url, target: "_blank", rel: "nofollow") %></td>
         <td><%= link_to(link.text, url_for(link)) %></td>
-        <td><%= link_to(truncate(link.description_html.to_plain_text), url_for(link)) %></td>
+        <td><%= link_to(truncate(link.description.to_plain_text), url_for(link)) %></td>
         <td><%= link.last_check_at && l(link.last_check_at, format: :short) %></td>
       </tr>
     <% end %>
diff --git a/config/locales/activerecord.yml b/config/locales/activerecord.yml
index 894aeb0..73019bf 100644
--- a/config/locales/activerecord.yml
+++ b/config/locales/activerecord.yml
@@ -16,8 +16,8 @@ de-CH:
         external_number: WCAG Nummer
         conformity_level: Konformitätsstufe
         position: Position
-        conformity_notice_de: Konformitätserklärung (de)
-        conformity_notice_en: Konformitätserklärung (eng)
+        conformity_notice_de: Anmerkungen zur Konformität (de)
+        conformity_notice_en: Anmerkungen zur Konformität (eng)
         standard_ids: Standards
         name_de: Name (de)
         name_en: Name (eng)
@@ -45,6 +45,7 @@ de-CH:
         comment: Kommentar
         target_disability: Zugänglichkeit
         applicability: Anwendbarkeit
+        external_url: WCAG Link
       checklist:
         id: ID
         name: Überschrift
diff --git a/config/locales/i11yist.yml b/config/locales/i11yist.yml
index a83f572..a4c851d 100644
--- a/config/locales/i11yist.yml
+++ b/config/locales/i11yist.yml
@@ -54,7 +54,7 @@ de-CH:
     applicable_to_app: app
     applicable_to_web: web
   priority:
-    highest: "Sehr hoch" 
-    high: "Hoch"
-    medium: "Mittel"
-    low: "Niedrig"
\ No newline at end of file
+    highest: "A (hoch)" 
+    high: "B (mittel)"
+    normal: "C (niedrig)"
+    low: "D (nice to have)"
\ No newline at end of file
diff --git a/db/migrate/20240820164827_finalize_check_fields.rb b/db/migrate/20240820164827_finalize_check_fields.rb
index ceb0e27..488070e 100644
--- a/db/migrate/20240820164827_finalize_check_fields.rb
+++ b/db/migrate/20240820164827_finalize_check_fields.rb
@@ -17,10 +17,12 @@ class FinalizeCheckFields < ActiveRecord::Migration[7.2]
     add_reference :checks, :principle, foreign_key: true
 
     add_column :checks, :external_number, :string, null: true
-    add_column :checks, :conformity_level, :integer, null: false, default: 0
-    add_column :checks, :priority, :integer, null: false, default: 0
+    add_column :checks, :conformity_level, :integer, null: true
+    add_column :checks, :priority, :integer, null: true
 
     add_column :checks, :manual_test, :boolean, null: false, default: true
     add_column :checks, :test_url, :string, null: true
+
+    add_column :checks, :external_url, :string, null: true
   end
 end
diff --git a/db/schema.rb b/db/schema.rb
index 7b21686..9f5849c 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -73,9 +73,6 @@ ActiveRecord::Schema[7.2].define(version: 2024_08_30_134641) do
     t.integer "level"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
-    t.boolean "applicability_web", default: false, null: false
-    t.boolean "applicability_app", default: false, null: false
-    t.string "exernal_number"
     t.integer "number"
     t.string "name_de"
     t.string "name_en"
@@ -87,10 +84,11 @@ ActiveRecord::Schema[7.2].define(version: 2024_08_30_134641) do
     t.boolean "applicable_to_app", default: false, null: false
     t.integer "principle_id"
     t.string "external_number"
-    t.integer "conformity_level", default: 0, null: false
-    t.integer "priority", default: 0, null: false
+    t.integer "conformity_level"
+    t.integer "priority"
     t.boolean "manual_test", default: true, null: false
     t.string "test_url"
+    t.string "external_url"
     t.index ["number"], name: "index_checks_on_number", unique: true
     t.index ["principle_id"], name: "index_checks_on_principle_id"
   end
diff --git a/db/seeds.rb b/db/seeds.rb
index 38c0424..6c5e763 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -14,8 +14,38 @@ Standard.create!(name_de: "EN 301 549",
                 version: "V3",
                 url_de: "https://www.etsi.org/deliver/etsi_en/301500_301599/301549/03.02.01_60/en_301549v030201p.pdf",
                 url_en: "https://www.etsi.org/deliver/etsi_en/301500_301599/301549/03.02.01_60/en_301549v030201p.pdf")
+Standard.create!(name_de: "EPUB AT",
+                name_en: "EPUB AT",
+                version: "3.3",
+                url_de: "https://www.w3.org/TR/epub-33/",
+                url_en: "https://www.w3.org/TR/epub-33/")
+Standard.create!(name_de: "Goran",
+                name_en: "Goran",
+                version: "1.0",
+                url_de: "",
+                url_en: "")
 
 Principle.create!(name_de: "Wahrnehmbar", name_en: "Perceivable")
 Principle.create!(name_de: "Bedienbar", name_en: "Operable")
 Principle.create!(name_de: "Verständlich", name_en: "Understandable")
-Principle.create!(name_de: "Robust", name_en: "Robust")
\ No newline at end of file
+Principle.create!(name_de: "Robust", name_en: "Robust")
+Principle.create!(name_de: "Sonstige", name_en: "Other")
+
+LinkCategory.create!(name: "Tools")
+LinkCategory.create!(name: "Beispiele")
+LinkCategory.create!(name: "Artikel")
+
+Link.create!(url: "https://a11y.digitaldialog.swiss/de/checklist", 
+             link_category: LinkCategory.find_by(name: "Tools"),
+             text: "Accessibility Checkliste", 
+             description: "Diese praxisorientierte Checkliste unterstützt Sie dabei, den Zustand Ihres digitalen Angebots hinsichtlich der Barrierefreiheit zu beurteilen. Zielgruppe der Accessibility-Checkliste sind Design-, Entwicklungs- und Content-Teams ebenso wie Qualitätssicherungsverantwortliche und Projektleitende.")
+
+Link.create!(url: "https://www.a11yproject.com/",
+             text: "The A11Y Project",
+             description: "The A11Y Project is a community-driven effort to make digital accessibility easier.",
+             link_category: LinkCategory.find_by(name: "Beispiele"))
+
+Link.create!(url: "https://www.a11yproject.com/",
+             text: "The A11Y Project",
+             description: "The A11Y Project is a community-driven effort to make digital accessibility easier.",
+             link_category: LinkCategory.find_by(name: "Artikel"))
\ No newline at end of file