diff --git a/src/frontend/apps/desk/src/features/footer/Footer.tsx b/src/frontend/apps/desk/src/features/footer/Footer.tsx
index ee9a22914..9d92364a0 100644
--- a/src/frontend/apps/desk/src/features/footer/Footer.tsx
+++ b/src/frontend/apps/desk/src/features/footer/Footer.tsx
@@ -83,7 +83,7 @@ export const Footer = () => {
                 `}
               >
                 <Text $weight="bold">{label}</Text>
-                <IconLink width={18} />
+                <IconLink width={18} aria-hidden="true" />
               </StyledLink>
             ))}
           </Box>
@@ -157,7 +157,7 @@ export const Footer = () => {
               `}
             >
               <Text $variation="600">licence etalab-2.0</Text>
-              <IconLink width={18} />
+              <IconLink width={18} aria-hidden="true" />
             </StyledLink>
           </Trans>
         </Text>
diff --git a/src/frontend/apps/desk/src/features/header/AccountDropdown.tsx b/src/frontend/apps/desk/src/features/header/AccountDropdown.tsx
index 13c77b5ca..eca93d4f3 100644
--- a/src/frontend/apps/desk/src/features/header/AccountDropdown.tsx
+++ b/src/frontend/apps/desk/src/features/header/AccountDropdown.tsx
@@ -15,7 +15,7 @@ export const AccountDropdown = () => {
       button={
         <Box $flex $direction="row" $align="center">
           <Text $theme="primary">{t('My account')}</Text>
-          <Text className="material-icons" $theme="primary">
+          <Text className="material-icons" $theme="primary" aria-hidden="true">
             arrow_drop_down
           </Text>
         </Box>
@@ -24,7 +24,11 @@ export const AccountDropdown = () => {
       <Button
         onClick={logout}
         color="primary-text"
-        icon={<span className="material-icons">logout</span>}
+        icon={
+          <span className="material-icons" aria-hidden="true">
+            logout
+          </span>
+        }
         aria-label={t('Logout')}
       >
         <Text $weight="normal">{t('Logout')}</Text>
diff --git a/src/frontend/apps/desk/src/features/header/Header.tsx b/src/frontend/apps/desk/src/features/header/Header.tsx
index be83bea34..be009b321 100644
--- a/src/frontend/apps/desk/src/features/header/Header.tsx
+++ b/src/frontend/apps/desk/src/features/header/Header.tsx
@@ -56,7 +56,7 @@ export const Header = () => {
           </LogoGouv>
           <StyledLink href="/">
             <Box $align="center" $gap="1rem" $direction="row">
-              <Image priority src={IconApplication} alt={t('Régie Logo')} />
+              <Image priority src={IconApplication} alt="" />
               <Text $margin="none" as="h2" $theme="primary">
                 {t('Régie')}
               </Text>
diff --git a/src/frontend/apps/desk/src/features/language/LanguagePicker.tsx b/src/frontend/apps/desk/src/features/language/LanguagePicker.tsx
index feafcd13a..302704b94 100644
--- a/src/frontend/apps/desk/src/features/language/LanguagePicker.tsx
+++ b/src/frontend/apps/desk/src/features/language/LanguagePicker.tsx
@@ -53,12 +53,12 @@ export const LanguagePicker = () => {
           $gap="0.7rem"
           $align="center"
         >
-          <Image priority src={IconLanguage} alt={t('Language Icon')} />
+          <Image priority src={IconLanguage} alt="" />
           <Text $theme="primary">{lang.toUpperCase()}</Text>
         </Box>
       ),
     }));
-  }, [languages, t]);
+  }, [languages]);
 
   return (
     <SelectStyled
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsContent.tsx b/src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsContent.tsx
index df7ce8d2a..07a8179f2 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsContent.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsContent.tsx
@@ -114,6 +114,10 @@ export function MailDomainsContent({ mailDomain }: { mailDomain: MailDomain }) {
             displayGoto: false,
           }}
           aria-label={t('Mailboxes list')}
+          hideEmptyPlaceholderImage={true}
+          emptyPlaceholderLabel={t(
+            'No mail box was created with this mail domain.',
+          )}
         />
       </Card>
     </>
@@ -137,7 +141,7 @@ const TopBanner = ({
         $margin={{ all: 'big', vertical: 'xbig' }}
         $gap="2.25rem"
       >
-        <MailDomainsLogo aria-label={t('Mail Domains icon')} />
+        <MailDomainsLogo aria-hidden="true" />
         <Text $margin="none" as="h3" $size="h3">
           {name}
         </Text>
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/panel/Panel.tsx b/src/frontend/apps/desk/src/features/mail-domains/components/panel/Panel.tsx
index 4e9ffc015..7f1c13bac 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/panel/Panel.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/components/panel/Panel.tsx
@@ -53,7 +53,7 @@ export const Panel = () => {
         `}
         onClick={() => setIsOpen(!isOpen)}
       >
-        <IconOpenClose width={24} height={24} />
+        <IconOpenClose width={24} height={24} aria-hidden="true" />
       </BoxButton>
       <Box
         $css={`
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelActions.tsx b/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelActions.tsx
index bc768bdf6..fbe9373ca 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelActions.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelActions.tsx
@@ -40,11 +40,7 @@ export const PanelActions = () => {
         $background={isSortAsc ? colorsTokens()['primary-200'] : 'transparent'}
         $color={colorsTokens()['primary-600']}
       >
-        <IconSort
-          width={30}
-          height={30}
-          aria-label={t('Sort domain names icon')}
-        />
+        <IconSort width={30} height={30} aria-hidden="true" />
       </BoxButton>
     </Box>
   );
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelItem.tsx b/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelItem.tsx
index 442252c97..9eac2fc2e 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelItem.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelItem.tsx
@@ -1,6 +1,5 @@
 import { useRouter } from 'next/router';
 import React from 'react';
-import { useTranslation } from 'react-i18next';
 
 import { Box, StyledLink, Text } from '@/components';
 import { useCunninghamTheme } from '@/cunningham';
@@ -13,7 +12,6 @@ interface MailDomainProps {
 
 export const PanelMailDomains = ({ mailDomain }: MailDomainProps) => {
   const { colorsTokens } = useCunninghamTheme();
-  const { t } = useTranslation();
   const {
     query: { slug },
   } = useRouter();
@@ -55,7 +53,7 @@ export const PanelMailDomains = ({ mailDomain }: MailDomainProps) => {
       >
         <Box $align="center" $direction="row" $gap="0.5rem">
           <IconMailDomains
-            aria-label={t(`Mail Domains icon`)}
+            aria-hidden="true"
             color={colorsTokens()['primary-500']}
             className="p-t"
             width="52"
diff --git a/src/frontend/apps/desk/src/features/menu/MenuItems.tsx b/src/frontend/apps/desk/src/features/menu/MenuItems.tsx
index 4bf1e70b0..d4d5db045 100644
--- a/src/frontend/apps/desk/src/features/menu/MenuItems.tsx
+++ b/src/frontend/apps/desk/src/features/menu/MenuItems.tsx
@@ -74,7 +74,7 @@ const MenuItem = ({ Icon, label, href, alias }: MenuItemProps) => {
         >
           <Icon
             width="2.375rem"
-            aria-label={t(`{{label}} icon`, { label })}
+            aria-hidden="true"
             style={{
               transition: 'color 0.2s ease-in-out',
             }}
diff --git a/src/frontend/apps/desk/src/features/teams/member-add/components/ModalAddMembers.tsx b/src/frontend/apps/desk/src/features/teams/member-add/components/ModalAddMembers.tsx
index 962e59b65..0dfc899bc 100644
--- a/src/frontend/apps/desk/src/features/teams/member-add/components/ModalAddMembers.tsx
+++ b/src/frontend/apps/desk/src/features/teams/member-add/components/ModalAddMembers.tsx
@@ -158,13 +158,17 @@ export const ModalAddMembers = ({
           disabled={!selectedMembers.length || isPending}
           onClick={() => void handleValidate()}
         >
-          {t('Validate')}
+          {t('Add to group')}
         </Button>
       }
       size={ModalSize.MEDIUM}
       title={
         <Box $align="center" $gap="1rem">
-          <IconAddMember width={48} color={colorsTokens()['primary-text']} />
+          <IconAddMember
+            width={48}
+            color={colorsTokens()['primary-text']}
+            aria-hidden="true"
+          />
           <Text $size="h3" $margin="none">
             {t('Add a member')}
           </Text>
diff --git a/src/frontend/apps/desk/src/features/teams/member-management/components/MemberAction.tsx b/src/frontend/apps/desk/src/features/teams/member-management/components/MemberAction.tsx
index 1fe3da65e..367ebb34e 100644
--- a/src/frontend/apps/desk/src/features/teams/member-management/components/MemberAction.tsx
+++ b/src/frontend/apps/desk/src/features/teams/member-management/components/MemberAction.tsx
@@ -53,7 +53,11 @@ export const MemberAction = ({
               setIsDropOpen(false);
             }}
             color="primary-text"
-            icon={<span className="material-icons">edit</span>}
+            icon={
+              <span className="material-icons" aria-hidden="true">
+                edit
+              </span>
+            }
           >
             <Text $theme="primary">{t('Update role')}</Text>
           </Button>
@@ -64,7 +68,11 @@ export const MemberAction = ({
               setIsDropOpen(false);
             }}
             color="primary-text"
-            icon={<span className="material-icons">delete</span>}
+            icon={
+              <span className="material-icons" aria-hidden="true">
+                delete
+              </span>
+            }
           >
             <Text $theme="primary">{t('Remove from group')}</Text>
           </Button>
diff --git a/src/frontend/apps/desk/src/features/teams/member-management/components/ModalDelete.tsx b/src/frontend/apps/desk/src/features/teams/member-management/components/ModalDelete.tsx
index 56eb0e4a4..9ca6eaaa0 100644
--- a/src/frontend/apps/desk/src/features/teams/member-management/components/ModalDelete.tsx
+++ b/src/frontend/apps/desk/src/features/teams/member-management/components/ModalDelete.tsx
@@ -75,7 +75,7 @@ export const ModalDelete = ({ access, onClose, team }: ModalDeleteProps) => {
           }}
           disabled={isNotAllowed}
         >
-          {t('Validate')}
+          {t('Remove from the group')}
         </Button>
       }
       size={ModalSize.MEDIUM}
@@ -128,7 +128,7 @@ export const ModalDelete = ({ access, onClose, team }: ModalDeleteProps) => {
           $background={colorsTokens()['primary-150']}
           $theme="primary"
         >
-          <IconUser width={20} height={20} />
+          <IconUser width={20} height={20} aria-hidden="true" />
           <Text>{access.user.name}</Text>
         </Text>
       </Box>
diff --git a/src/frontend/apps/desk/src/features/teams/team-management/components/CardCreateTeam.tsx b/src/frontend/apps/desk/src/features/teams/team-management/components/CardCreateTeam.tsx
index 30b9cc361..46b914ce8 100644
--- a/src/frontend/apps/desk/src/features/teams/team-management/components/CardCreateTeam.tsx
+++ b/src/frontend/apps/desk/src/features/teams/team-management/components/CardCreateTeam.tsx
@@ -40,9 +40,9 @@ export const CardCreateTeam = () => {
       <Box $gap="1rem">
         <Box $align="center">
           <IconGroup
+            aria-hidden="true"
             width={44}
             color={colorsTokens()['primary-text']}
-            aria-label={t('icon group')}
           />
           <Text as="h3" $textAlign="center">
             {t('Create a new group')}
diff --git a/src/frontend/apps/desk/src/features/teams/team-management/components/InputTeamName.tsx b/src/frontend/apps/desk/src/features/teams/team-management/components/InputTeamName.tsx
index fe8df73ae..3a58903c3 100644
--- a/src/frontend/apps/desk/src/features/teams/team-management/components/InputTeamName.tsx
+++ b/src/frontend/apps/desk/src/features/teams/team-management/components/InputTeamName.tsx
@@ -40,7 +40,6 @@ export const InputTeamName = ({
           setTeamName(e.target.value);
           setIsInputError(false);
         }}
-        rightIcon={<span className="material-icons">edit</span>}
         state={isInputError ? 'error' : 'default'}
       />
       {isError && error && <TextErrors causes={error.cause} />}
diff --git a/src/frontend/apps/desk/src/features/teams/team-management/components/ModalRemoveTeam.tsx b/src/frontend/apps/desk/src/features/teams/team-management/components/ModalRemoveTeam.tsx
index d50224d6f..9b1ae5c04 100644
--- a/src/frontend/apps/desk/src/features/teams/team-management/components/ModalRemoveTeam.tsx
+++ b/src/frontend/apps/desk/src/features/teams/team-management/components/ModalRemoveTeam.tsx
@@ -72,7 +72,11 @@ export const ModalRemoveTeam = ({ onClose, team }: ModalRemoveTeamProps) => {
       size={ModalSize.MEDIUM}
       title={
         <Box $align="center" $gap="1rem">
-          <IconRemove width={48} color={colorsTokens()['primary-text']} />
+          <IconRemove
+            width={48}
+            color={colorsTokens()['primary-text']}
+            aria-hidden="true"
+          />
           <Text $size="h3" $margin="none">
             {t('Deleting the {{teamName}} team', { teamName: team.name })}
           </Text>
@@ -105,7 +109,7 @@ export const ModalRemoveTeam = ({ onClose, team }: ModalRemoveTeamProps) => {
         >
           <IconGroup
             className="p-t"
-            aria-label={t(`Teams icon`)}
+            aria-hidden="true"
             color={colorsTokens()['primary-500']}
             width={58}
             style={{
diff --git a/src/frontend/apps/desk/src/features/teams/team-management/components/ModalUpdateTeam.tsx b/src/frontend/apps/desk/src/features/teams/team-management/components/ModalUpdateTeam.tsx
index bfd83ef7a..1aba02e14 100644
--- a/src/frontend/apps/desk/src/features/teams/team-management/components/ModalUpdateTeam.tsx
+++ b/src/frontend/apps/desk/src/features/teams/team-management/components/ModalUpdateTeam.tsx
@@ -75,7 +75,11 @@ export const ModalUpdateTeam = ({ onClose, team }: ModalUpdateTeamProps) => {
       size={ModalSize.MEDIUM}
       title={
         <Box $align="center" $gap="1rem">
-          <IconEdit width={48} color={colorsTokens()['primary-text']} />
+          <IconEdit
+            width={48}
+            color={colorsTokens()['primary-text']}
+            aria-hidden="true"
+          />
           <Text $size="h3" $margin="none">
             {t('Update team {{teamName}}', { teamName: team.name })}
           </Text>
diff --git a/src/frontend/apps/desk/src/features/teams/team-management/components/TeamActions.tsx b/src/frontend/apps/desk/src/features/teams/team-management/components/TeamActions.tsx
index d29c65a5b..77e716f5d 100644
--- a/src/frontend/apps/desk/src/features/teams/team-management/components/TeamActions.tsx
+++ b/src/frontend/apps/desk/src/features/teams/team-management/components/TeamActions.tsx
@@ -43,7 +43,11 @@ export const TeamActions = ({ currentRole, team }: TeamActionsProps) => {
               setIsDropOpen(false);
             }}
             color="primary-text"
-            icon={<span className="material-icons">edit</span>}
+            icon={
+              <span className="material-icons" aria-hidden="true">
+                edit
+              </span>
+            }
           >
             <Text $theme="primary">{t('Update the team')}</Text>
           </Button>
@@ -54,7 +58,11 @@ export const TeamActions = ({ currentRole, team }: TeamActionsProps) => {
                 setIsDropOpen(false);
               }}
               color="primary-text"
-              icon={<span className="material-icons">delete</span>}
+              icon={
+                <span className="material-icons" aria-hidden="true">
+                  delete
+                </span>
+              }
             >
               <Text $theme="primary">{t('Delete the team')}</Text>
             </Button>
diff --git a/src/frontend/apps/desk/src/features/teams/team-management/components/TeamInfo.tsx b/src/frontend/apps/desk/src/features/teams/team-management/components/TeamInfo.tsx
index 25bc6cb1e..dda36606f 100644
--- a/src/frontend/apps/desk/src/features/teams/team-management/components/TeamInfo.tsx
+++ b/src/frontend/apps/desk/src/features/teams/team-management/components/TeamInfo.tsx
@@ -44,9 +44,9 @@ export const TeamInfo = ({ team, currentRole }: TeamInfoProps) => {
         </Box>
         <Box $margin="big" $direction="row" $align="center" $gap="1.5rem">
           <IconGroup
+            aria-hidden="true"
             width={44}
             color={colorsTokens()['primary-text']}
-            aria-label={t('icon group')}
             style={{
               flexShrink: 0,
               alignSelf: 'start',
diff --git a/src/frontend/apps/desk/src/features/teams/teams-panel/__tests__/PanelTeams.test.tsx b/src/frontend/apps/desk/src/features/teams/teams-panel/__tests__/PanelTeams.test.tsx
index d69959cac..b8ec69ab4 100644
--- a/src/frontend/apps/desk/src/features/teams/teams-panel/__tests__/PanelTeams.test.tsx
+++ b/src/frontend/apps/desk/src/features/teams/teams-panel/__tests__/PanelTeams.test.tsx
@@ -55,9 +55,7 @@ describe('PanelTeams', () => {
 
     expect(screen.getByRole('status')).toBeInTheDocument();
 
-    expect(
-      await screen.findByLabelText('Empty teams icon'),
-    ).toBeInTheDocument();
+    expect(await screen.findByLabelText('Empty team icon')).toBeInTheDocument();
   });
 
   it('renders a team with only 1 member', async () => {
@@ -81,12 +79,10 @@ describe('PanelTeams', () => {
 
     expect(screen.getByRole('status')).toBeInTheDocument();
 
-    expect(
-      await screen.findByLabelText('Empty teams icon'),
-    ).toBeInTheDocument();
+    expect(await screen.findByLabelText('Empty team icon')).toBeInTheDocument();
   });
 
-  it('renders a non-empty team', async () => {
+  it('renders a non-empty team', () => {
     fetchMock.mock(`end:/teams/?page=1&ordering=-created_at`, {
       count: 1,
       results: [
@@ -110,8 +106,6 @@ describe('PanelTeams', () => {
     render(<TeamList />, { wrapper: AppWrapper });
 
     expect(screen.getByRole('status')).toBeInTheDocument();
-
-    expect(await screen.findByLabelText('Teams icon')).toBeInTheDocument();
   });
 
   it('renders the error', async () => {
diff --git a/src/frontend/apps/desk/src/features/teams/teams-panel/components/PanelActions.tsx b/src/frontend/apps/desk/src/features/teams/teams-panel/components/PanelActions.tsx
index 277c629a1..bbdb1a5fb 100644
--- a/src/frontend/apps/desk/src/features/teams/teams-panel/components/PanelActions.tsx
+++ b/src/frontend/apps/desk/src/features/teams/teams-panel/components/PanelActions.tsx
@@ -41,7 +41,7 @@ export const PanelActions = () => {
         $background={isSortAsc ? colorsTokens()['primary-200'] : 'transparent'}
         $color={colorsTokens()['primary-600']}
       >
-        <IconSort width={30} height={30} aria-label={t('Sort teams icon')} />
+        <IconSort width={30} height={30} aria-hidden="true" />
       </BoxButton>
       <StyledLink href="/teams/create">
         <BoxButton
@@ -49,7 +49,7 @@ export const PanelActions = () => {
           $color={colorsTokens()['primary-600']}
           tabIndex={-1}
         >
-          <IconAdd width={30} height={30} aria-label={t('Add team icon')} />
+          <IconAdd width={30} height={30} aria-hidden="true" />
         </BoxButton>
       </StyledLink>
     </Box>
diff --git a/src/frontend/apps/desk/src/features/teams/teams-panel/components/TeamItem.tsx b/src/frontend/apps/desk/src/features/teams/teams-panel/components/TeamItem.tsx
index 957ce2b08..0e56e3572 100644
--- a/src/frontend/apps/desk/src/features/teams/teams-panel/components/TeamItem.tsx
+++ b/src/frontend/apps/desk/src/features/teams/teams-panel/components/TeamItem.tsx
@@ -67,7 +67,7 @@ export const TeamItem = ({ team }: TeamProps) => {
         <Box $align="center" $direction="row" $gap="0.5rem">
           {hasMembers ? (
             <IconGroup
-              aria-label={t(`Teams icon`)}
+              aria-label={t(`Team icon`)}
               color={colorsTokens()['primary-500']}
               {...commonProps}
               style={{
@@ -77,7 +77,7 @@ export const TeamItem = ({ team }: TeamProps) => {
             />
           ) : (
             <IconNone
-              aria-label={t(`Empty teams icon`)}
+              aria-label={t(`Empty team icon`)}
               color={colorsTokens()['greyscale-500']}
               {...commonProps}
               style={{
diff --git a/src/frontend/apps/desk/src/i18n/translations.json b/src/frontend/apps/desk/src/i18n/translations.json
index 14eb1e98f..5491651a9 100644
--- a/src/frontend/apps/desk/src/i18n/translations.json
+++ b/src/frontend/apps/desk/src/i18n/translations.json
@@ -14,8 +14,8 @@
       "Accessibility: non-compliant": "Accessibilité : non conforme",
       "Add a member": "Ajouter un membre",
       "Add a team": "Ajouter un groupe",
-      "Add members to the team": "Ajoutez des membres à votre groupe",
-      "Add team icon": "Icône ajout de groupe",
+      "Add members to the team": "Ajouter des membres à l'équipe",
+      "Add to group": "Ajouter au groupe",
       "Address: National Agency for Territorial Cohesion - 20, avenue de Ségur TSA 10717 75 334 Paris Cedex 07 Paris": "Adresse : Agence Nationale de la Cohésion des Territoires - 20, avenue de Ségur TSA 10717 75 334 Paris Cedex 07",
       "Administration": "Administration",
       "All fields are mandatory.": "Tous les champs sont obligatoires.",
@@ -50,7 +50,7 @@
       "E.g. : jean.dupont@mail.fr": "Ex. : jean.dupont@mail.fr",
       "Email address prefix": "Préfixe de l'adresse mail",
       "Emails": "Emails",
-      "Empty teams icon": "Icône de groupe vide",
+      "Empty team icon": "Icône équipe vide",
       "Enter the new name of the selected team": "Entrez le nouveau nom du groupe sélectionné",
       "Failed to add {{name}} in the team": "Impossible d'ajouter {{name}} au groupe",
       "Failed to create the invitation for {{email}}": "Impossible de créer l'invitation pour {{email}}",
@@ -62,6 +62,7 @@
       "Groups": "Groupes",
       "If you are unable to access content or a service, you can contact the manager of La Régie (Suite Territoriale) \n            to be directed to an accessible alternative or obtain the content in another form.": "Si vous n’arrivez pas à accéder à un contenu ou à un service, vous pouvez contacter le responsable de La Régie (Suite Territoriale) pour être orienté vers une alternative accessible ou obtenir le contenu sous une autre forme.",
       "Illustration:": "Illustration :",
+      "Image 404 page not found": "Image 404 page introuvable",
       "Improvement and contact": "Amélioration et contact",
       "Invitation sent to {{email}}": "Invitation envoyée à {{email}}",
       "Invite new members to {{teamName}}": "Invitez de nouveaux membres à rejoindre {{teamName}}",
@@ -71,7 +72,6 @@
       "La Régie (Suite Territoriale) is non-compliant with the RGAA. The site has not yet been audited.": "La Régie (Suite Territoriale) est non conforme avec le RGAA. Le site n’a encore pas été audité.",
       "La Suite administration interface: management of users and rights on the various tools (messaging, storage, etc.)": "Interface d’administration de la Suite : gestion des utilisateurs et des droits sur les différents outils (messagerie, stockage, etc.)",
       "Language": "Langue",
-      "Language Icon": "Icône de langue",
       "Last name": "Nom",
       "Last update at": "Dernière modification le",
       "Legal Notice": "Mentions légales",
@@ -79,7 +79,6 @@
       "List members card": "Carte liste des membres",
       "Logout": "Se déconnecter",
       "Mail Domains": "Domaines de messagerie",
-      "Mail Domains icon": "Icône des domaines mail",
       "Mailbox created!": "Boîte mail créée !",
       "Mailboxes list": "Liste des boîtes mail",
       "Marianne Logo": "Logo Marianne",
@@ -90,6 +89,7 @@
       "My account": "Mon compte",
       "Names": "Noms",
       "New name...": "Nouveau nom...",
+      "No mail box was created with this mail domain.": "Aucune boîte mail n'a été créée avec ce nom de domaine.",
       "Nothing exceptional, no special privileges related to a .gouv.fr.": "Rien d'exceptionnel, pas de privilèges spéciaux liés à un .gouv.fr.",
       "Open the mail domains panel": "Ouvrir le panneau des domaines de messagerie",
       "Open the member options modal": "Ouvrir les options de membre dans la fenêtre modale",
@@ -97,7 +97,7 @@
       "Open the modal to update the role of this member": "Ouvrir la fenêtre modale pour mettre à jour le rôle de ce membre",
       "Open the team options": "Ouvrir les options de groupe",
       "Open the teams panel": "Ouvrir le panneau des groupes",
-      "Ouch !": "Ouch !",
+      "Ouch!": "Aïe !",
       "Owner": "Propriétaire",
       "Personal data and cookies": "Données personnelles et cookies",
       "Please enter a valid email address.\nE.g. : jean.dupont@mail.fr": "Veuillez entrer une adresse e-mail valide.\nEx. : jean.dupont@mail.fr",
@@ -108,26 +108,24 @@
       "Radio buttons to update the roles": "Boutons radio pour mettre à jour les rôles",
       "Remedy": "Voie de recours",
       "Remove from group": "Retirer du groupe",
-      "Remove this member from the group": "Retirer ce membre du groupe",
+      "Remove from the group": "Retirer du groupe",
+      "Remove this member from the group": "Retirer le membre du groupe",
       "Roles": "Rôles",
       "Régie": "Régie",
-      "Régie Logo": "Logo Régie",
       "Search new members (name or email)": "Rechercher de nouveaux membres (nom ou email)",
       "Secondary email address": "Adresse e-mail secondaire",
       "Send a letter by post (free of charge, no stamp needed):": "Envoyer un courrier par la poste (gratuit, ne pas mettre de timbre) :",
       "Something bad happens, please refresh the page.": "Une erreur inattendue s'est produite, rechargez la page.",
       "Something bad happens, please retry.": "Une erreur inattendue s'est produite, rechargez la page.",
       "Something wrong happened, please refresh the page.": "Une erreur inattendue s'est produite, rechargez la page.",
-      "Sort domain names icon": "Trier l'icône des noms de domaine",
-      "Sort teams icon": "Icône trier les groupes",
       "Sort the domain names by creation date ascendent": "Trier les documents par date de création ascendante",
       "Sort the domain names by creation date descendent": "Trier les documents par date de création descendante",
       "Sort the teams by creation date ascendent": "Trier les groupes par date de création ascendante",
       "Sort the teams by creation date descendent": "Trier les groupes par date de création descendante",
       "Stéphanie Schaer: Interministerial Digital Director (DINUM).": "Stéphanie Schaer: Directrice numérique interministériel (DINUM).",
+      "Team icon": "Icône équipe",
       "Team name": "Nom du groupe",
       "Teams": "Équipes",
-      "Teams icon": "Icône de groupe",
       "The National Agency for Territorial Cohesion undertakes to make its\n          service accessible, in accordance with article 47 of law no. 2005-102\n          of February 11, 2005.": "L'Agence Nationale de la Cohésion des Territoires s’engage à rendre son service accessible, conformément à l’article 47 de la loi n° 2005-102 du 11 février 2005.",
       "The member has been removed from the team": "Le membre a été supprimé de votre groupe",
       "The role has been updated": "Le rôle a bien été mis à jour",
@@ -158,13 +156,11 @@
       "You must have minimum 1 character": "Vous devez entrer au moins 1 caractère",
       "accessibility-contact-defenseurdesdroits": "Contacter le délégué du<1>Défenseur des droits dans votre région</1>",
       "accessibility-form-defenseurdesdroits": "Écrire un message au<1>Défenseur des droits</1>",
-      "icon group": "icône groupe",
       "mail domains list loading": "chargement de la liste des domaines de messagerie",
       "{{count}} member_many": "{{count}} membres",
       "{{count}} member_one": "{{count}} membre",
       "{{count}} member_other": "{{count}} membres",
-      "{{label}} button": "Bouton {{label}}",
-      "{{label}} icon": "Icône {{label}}"
+      "{{label}} button": "Bouton {{label}}"
     }
   }
 }
diff --git a/src/frontend/apps/desk/src/pages/404.tsx b/src/frontend/apps/desk/src/pages/404.tsx
index ac2e61eb0..898b36e5f 100644
--- a/src/frontend/apps/desk/src/pages/404.tsx
+++ b/src/frontend/apps/desk/src/pages/404.tsx
@@ -19,10 +19,10 @@ const Page: NextPageWithLayout = () => {
 
   return (
     <Box $align="center" $margin="auto" $height="70vh" $gap="2rem">
-      <Icon404 aria-label="Image 404" role="img" />
+      <Icon404 role="img" aria-label={t('Image 404 page not found')} />
 
       <Text $size="h2" $weight="700" $theme="greyscale" $variation="900">
-        {t('Ouch !')}
+        {t('Ouch!')}
       </Text>
 
       <Text as="p" $textAlign="center" $maxWidth="400px" $size="m">
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/common.ts b/src/frontend/apps/e2e/__tests__/app-desk/common.ts
index 70ac65c80..3ebc7e0e5 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/common.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/common.ts
@@ -74,7 +74,7 @@ export const addNewMember = async (
   // Choose a role
   await page.getByRole('radio', { name: role }).click();
 
-  await page.getByRole('button', { name: 'Validate' }).click();
+  await page.getByRole('button', { name: 'Add to group' }).click();
 
   const table = page.getByLabel('List members card').getByRole('table');
 
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/header.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/header.spec.ts
index f681e2a36..30a407bc0 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/header.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/header.spec.ts
@@ -19,7 +19,8 @@ test.describe('Header', () => {
       header.getByAltText('Freedom Equality Fraternity Logo'),
     ).toBeVisible();
 
-    await expect(header.getByAltText('Régie Logo')).toBeVisible();
+    await expect(header.getByRole('link', { name: 'Régie' })).toBeVisible();
+
     await expect(header.locator('h2').getByText('Régie')).toHaveCSS(
       'color',
       'rgb(0, 0, 145)',
@@ -35,7 +36,7 @@ test.describe('Header', () => {
       }),
     ).toBeVisible();
 
-    await expect(header.getByAltText('Language Icon')).toBeVisible();
+    await expect(header.getByRole('combobox').getByText('EN')).toBeVisible();
     await expect(header.getByText('My account')).toBeVisible();
   });
 
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts
index 2da30e56d..439a524fb 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts
@@ -119,7 +119,9 @@ test.describe('Mail domain', () => {
       page.getByRole('heading', { name: /domain\.fr/ }).first(),
     ).toBeVisible();
 
-    await expect(page.getByText('This table is empty')).toBeVisible();
+    await expect(
+      page.getByText('No mail box was created with this mail domain.'),
+    ).toBeVisible();
   });
 
   test('checks all the elements are visible when domain exists and contains 2 pages of mailboxes', async ({
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/member-create.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/member-create.spec.ts
index 1b6b62739..1c7e3b658 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/member-create.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/member-create.spec.ts
@@ -23,7 +23,9 @@ test.describe('Members Create', () => {
       page.getByLabel(/Find a member to add to the team/),
     ).toBeVisible();
 
-    await expect(page.getByRole('button', { name: 'Validate' })).toBeVisible();
+    await expect(
+      page.getByRole('button', { name: 'Add to group' }),
+    ).toBeVisible();
     await expect(page.getByRole('button', { name: 'Cancel' })).toBeVisible();
   });
 
@@ -124,7 +126,7 @@ test.describe('Members Create', () => {
         response.url().includes('/accesses/') && response.status() === 201,
     );
 
-    await page.getByRole('button', { name: 'Validate' }).click();
+    await page.getByRole('button', { name: 'Add to group' }).click();
 
     // Check invitation sent
     await expect(page.getByText(`Invitation sent to ${email}`)).toBeVisible();
@@ -169,7 +171,7 @@ test.describe('Members Create', () => {
         response.url().includes('/accesses/') && response.status() === 201,
     );
 
-    await page.getByRole('button', { name: 'Validate' }).click();
+    await page.getByRole('button', { name: 'Add to group' }).click();
 
     await expect(
       page.getByText(`Member ${users[0].name} added to the team`),
@@ -207,7 +209,7 @@ test.describe('Members Create', () => {
         response.url().includes('/invitations/') && response.status() === 201,
     );
 
-    await page.getByRole('button', { name: 'Validate' }).click();
+    await page.getByRole('button', { name: 'Add to group' }).click();
 
     // Check invitation sent
     await expect(page.getByText(`Invitation sent to ${email}`)).toBeVisible();
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/member-delete.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/member-delete.spec.ts
index 2529f6207..1529aacfe 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/member-delete.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/member-delete.spec.ts
@@ -28,7 +28,9 @@ test.describe('Members Delete', () => {
         'You are the last owner, you cannot be removed from your team.',
       ),
     ).toBeVisible();
-    await expect(page.getByRole('button', { name: 'Validate' })).toBeDisabled();
+    await expect(
+      page.getByRole('button', { name: 'Remove from the group' }),
+    ).toBeDisabled();
   });
 
   test('it deletes himself when it is not the last owner', async ({
@@ -49,7 +51,7 @@ test.describe('Members Delete', () => {
     await cells.nth(4).getByLabel('Member options').click();
     await page.getByLabel('Open the modal to delete this member').click();
 
-    await page.getByRole('button', { name: 'Validate' }).click();
+    await page.getByRole('button', { name: 'Remove from the group' }).click();
     await expect(
       page.getByText(`The member has been removed from the team`),
     ).toBeVisible();
@@ -76,7 +78,9 @@ test.describe('Members Delete', () => {
     await expect(
       page.getByText(`You cannot remove other owner.`),
     ).toBeVisible();
-    await expect(page.getByRole('button', { name: 'Validate' })).toBeDisabled();
+    await expect(
+      page.getByRole('button', { name: 'Remove from the group' }),
+    ).toBeDisabled();
   });
 
   test('it deletes admin member', async ({ page, browserName }) => {
@@ -94,7 +98,7 @@ test.describe('Members Delete', () => {
     await cells.nth(4).getByLabel('Member options').click();
     await page.getByLabel('Open the modal to delete this member').click();
 
-    await page.getByRole('button', { name: 'Validate' }).click();
+    await page.getByRole('button', { name: 'Remove from the group' }).click();
     await expect(
       page.getByText(`The member has been removed from the team`),
     ).toBeVisible();
@@ -161,7 +165,7 @@ test.describe('Members Delete', () => {
     await cells.nth(4).getByLabel('Member options').click();
     await page.getByLabel('Open the modal to delete this member').click();
 
-    await page.getByRole('button', { name: 'Validate' }).click();
+    await page.getByRole('button', { name: 'Remove from the group' }).click();
     await expect(
       page.getByText(`The member has been removed from the team`),
     ).toBeVisible();
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/team.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/team.spec.ts
index 78340dc85..da848f8c5 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/team.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/team.spec.ts
@@ -16,7 +16,6 @@ test.describe('Team', () => {
       await createTeam(page, 'team-top-box', browserName, 1)
     ).shift();
 
-    await expect(page.getByLabel('icon group')).toBeVisible();
     await expect(
       page.getByRole('heading', {
         name: teamName,
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/teams-create.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/teams-create.spec.ts
index e58493ac2..59f465328 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/teams-create.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/teams-create.spec.ts
@@ -19,8 +19,6 @@ test.describe('Teams Create', () => {
 
     await expect(card.getByLabel('Team name')).toBeVisible();
 
-    await expect(card.getByLabel('icon group')).toBeVisible();
-
     await expect(
       card.getByRole('heading', {
         name: 'Create a new group',