diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 878e0e473..315340e79 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -129,6 +129,10 @@ module ApplicationHelper
     { target: "_blank", rel: "noopener noreferrer" }
   end
 
+  def new_tab_suffix(title)
+    "#{title} — #{t('utils.new_tab')}"
+  end
+
   def download_details(attachment)
     "#{attachment.filename.extension.upcase} – #{number_to_human_size(attachment.byte_size)}"
   end
diff --git a/app/views/root/_footer.html.haml b/app/views/root/_footer.html.haml
index 167fbd270..d7a0986bf 100644
--- a/app/views/root/_footer.html.haml
+++ b/app/views/root/_footer.html.haml
@@ -50,19 +50,19 @@
       .fr-footer__content
         %p.fr-footer__content-desc
           = t('links.footer.description_1')
-          = link_to t('links.footer.link_1_label'), t('links.footer.link_1_url'), target: '_blank'
+          = link_to(t('links.footer.link_1_label'), t('links.footer.link_1_url'), title: new_tab_suffix(t('links.footer.link_1_label')), target: '_blank') + "."
         %p.fr-footer__content-desc
-          = link_to t('links.footer.link_2_label'), t("links.footer.code.url"), target: '_blank'
+          = link_to t('links.footer.link_2_label'), t("links.footer.code.url"), title: new_tab_suffix(t('links.footer.link_2_label')), target: '_blank'
           = t('links.footer.description_2')
         %ul.fr-footer__content-list
           %li.fr-footer__content-item
-            = link_to t('users.procedure_footer.official_links.legifrance.title'), t('users.procedure_footer.official_links.legifrance.url'), class: 'fr-footer__content-link', target: '_blank'
+            = link_to t('users.procedure_footer.official_links.legifrance.title'), t('users.procedure_footer.official_links.legifrance.url'), title: new_tab_suffix(t('users.procedure_footer.official_links.legifrance.title')), class: 'fr-footer__content-link', target: '_blank'
           %li.fr-footer__content-item
-            = link_to t('users.procedure_footer.official_links.gouvernement.title'), t('users.procedure_footer.official_links.gouvernement.url'), class: 'fr-footer__content-link', target: '_blank'
+            = link_to t('users.procedure_footer.official_links.gouvernement.title'), t('users.procedure_footer.official_links.gouvernement.url'), title: new_tab_suffix(t('users.procedure_footer.official_links.gouvernement.title')), class: 'fr-footer__content-link', target: '_blank'
           %li.fr-footer__content-item
-            = link_to t('users.procedure_footer.official_links.service_public.title'), t('users.procedure_footer.official_links.service_public.url'), class: 'fr-footer__content-link', target: '_blank'
+            = link_to t('users.procedure_footer.official_links.service_public.title'), t('users.procedure_footer.official_links.service_public.url'), title: new_tab_suffix(t('users.procedure_footer.official_links.service_public.title')), class: 'fr-footer__content-link', target: '_blank'
           %li.fr-footer__content-item
-            = link_to t('users.procedure_footer.official_links.data_gouv.title'), t('users.procedure_footer.official_links.data_gouv.url'), class: 'fr-footer__content-link', target: '_blank'
+            = link_to t('users.procedure_footer.official_links.data_gouv.title'), t('users.procedure_footer.official_links.data_gouv.url'), title: new_tab_suffix(t('users.procedure_footer.official_links.data_gouv.title')), class: 'fr-footer__content-link', target: '_blank'
 
     .fr-footer__bottom
       = render partial: 'users/general_footer_row'
diff --git a/app/views/shared/_footer_copy.html.haml b/app/views/shared/_footer_copy.html.haml
index 4f75e273a..1262276c8 100644
--- a/app/views/shared/_footer_copy.html.haml
+++ b/app/views/shared/_footer_copy.html.haml
@@ -1,4 +1,4 @@
 .fr-footer__bottom-copy
   %p
     Sauf mention contraire, tous les contenus de ce site sont sous
-    %a{ href: "https://github.com/etalab/licence-ouverte/blob/master/LO.md", target:"_blank", rel: "noopener", title: "licence etalab-2.0 - nouvelle fenêtre" } licence etalab-2.0
+    %a{ href: "https://github.com/etalab/licence-ouverte/blob/master/LO.md", target:"_blank", rel: "noopener", title: new_tab_suffix("licence etalab-2.0") } licence etalab-2.0
diff --git a/config/locales/en.yml b/config/locales/en.yml
index b0dff2c06..4347ea500 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -50,6 +50,7 @@ en:
     message: Message
     send_mail: Send message
     procedure: Procedures
+    new_tab: New tab
   helpers:
     procedure:
       testing_procedure: testing procedure
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 0625360f4..6c4760266 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -40,6 +40,7 @@ fr:
     message: Message
     send_mail: Envoyer le message
     procedure: Démarches
+    new_tab: "Nouvel onglet"
   helpers:
     procedure:
       testing_procedure: démarche en test
diff --git a/config/locales/links.fr.yml b/config/locales/links.fr.yml
index e90c94330..abd315bf5 100644
--- a/config/locales/links.fr.yml
+++ b/config/locales/links.fr.yml
@@ -12,7 +12,7 @@ fr:
         resources: Ressources
         diagnostic: Diagnostic
       description_1: Démarches simplifiées est un service propulsé par
-      link_1_label: la direction interministérielle du numérique (DINUM).
+      link_1_label: la direction interministérielle du numérique (DINUM)
       link_1_url: "https://www.numerique.gouv.fr/dinum/"
       link_2_label: Le code source
       description_2: est disponible en licence libre.