diff --git a/goofy-client/libs/navigation/src/lib/header-container/header/header.component.html b/goofy-client/libs/navigation/src/lib/header-container/header/header.component.html
index 96ee9e5ebac4bc3b3d12d9f4dca52b699ae59a85..562835dded18f5a1c44ee780ed05f8f5b01ab7d4 100644
--- a/goofy-client/libs/navigation/src/lib/header-container/header/header.component.html
+++ b/goofy-client/libs/navigation/src/lib/header-container/header/header.component.html
@@ -16,7 +16,7 @@
 
 		<goofy-client-settings [darkMode]="darkMode" (darkModeEmitter)="darkModeEmitter.emit($event)"></goofy-client-settings>
 
-		<button mat-icon-button [matMenuTriggerFor]="accountMenu" class="big-button" aria-label="button with user icon" data-test-id="user-icon-button">
+		<button mat-icon-button [matMenuTriggerFor]="accountMenu" class="big-button" aria-label="Benutzerkonto" data-test-id="user-icon-button">
 			<goofy-client-user-icon></goofy-client-user-icon>
 		</button>
 
diff --git a/goofy-client/libs/postfach/src/lib/postfach-page-container/postfach-page/postfach-page.component.html b/goofy-client/libs/postfach/src/lib/postfach-page-container/postfach-page/postfach-page.component.html
index be8ab61299618de87e864ea87fc63b19d9c9bc7c..54999f6e6307d4b6512bdf5ccf294a4f6fe51e1b 100644
--- a/goofy-client/libs/postfach/src/lib/postfach-page-container/postfach-page/postfach-page.component.html
+++ b/goofy-client/libs/postfach/src/lib/postfach-page-container/postfach-page/postfach-page.component.html
@@ -1,5 +1,5 @@
 <goofy-client-subnavigation class="mat-app-background">
-	<a routerLink="../" mat-icon-button data-test-id="back-button" class="back-button" aria-label="back button with arrow icon" matTooltip="zurück zur Detailseite">
+	<a routerLink="../" mat-icon-button data-test-id="back-button" class="back-button" aria-label="zurück zur Detailseite" matTooltip="zurück zur Detailseite">
 		<mat-icon>arrow_back</mat-icon>
 	</a>
 </goofy-client-subnavigation>
diff --git a/goofy-client/libs/ui/src/lib/ui/expansion-panel/expansion-panel.component.html b/goofy-client/libs/ui/src/lib/ui/expansion-panel/expansion-panel.component.html
index 4b43447520d4d6dbdcf1e33ffd955bdef5064a3f..8d661c889a75ba4895151121f1542686a1f05720 100644
--- a/goofy-client/libs/ui/src/lib/ui/expansion-panel/expansion-panel.component.html
+++ b/goofy-client/libs/ui/src/lib/ui/expansion-panel/expansion-panel.component.html
@@ -4,7 +4,7 @@
 
 		<mat-expansion-panel-header>
 			<mat-panel-title data-test-class="panel-title">
-				<button mat-icon-button tabindex="-1" [attr.aria-label]="'button to show' + (expanded? 'more': 'less') + ' info'">
+				<button mat-icon-button tabindex="-1" [attr.aria-label]="'Bereich ' + (expanded? 'ausklappen': 'einklappen')">
 					<mat-icon>chevron_right</mat-icon>
 				</button>
 				<h3>{{ headline }}</h3>
diff --git a/goofy-client/libs/ui/src/lib/ui/file-upload/file-upload.component.html b/goofy-client/libs/ui/src/lib/ui/file-upload/file-upload.component.html
index 78af6beee7c9e617edf5cf3cf6bd5d75c1d85b17..51b401fc81e58b64ce6079323acba3055a1d3ca7 100644
--- a/goofy-client/libs/ui/src/lib/ui/file-upload/file-upload.component.html
+++ b/goofy-client/libs/ui/src/lib/ui/file-upload/file-upload.component.html
@@ -2,7 +2,7 @@
 	<input data-test-id="file-upload-input"
 			[id]="myId" type="file" [accept]="accept"
 			(change)="onFileChanged($event)">
-	<label [attr.for]="myId" matRipple aria-label="attachment icon">
+	<label [attr.for]="myId" matRipple aria-label="Anhang hinzufügen">
 		<mat-icon *ngIf="!uploadInProgress.loading">attach_file</mat-icon>
 
 		<goofy-client-spinner
diff --git a/goofy-client/libs/ui/src/lib/ui/icon-button-with-spinner/icon-button-with-spinner.component.html b/goofy-client/libs/ui/src/lib/ui/icon-button-with-spinner/icon-button-with-spinner.component.html
index f2b22591d824142b648465c033a6be818c42e812..d4ef845b3f3fd5876f93510584d50c5b05097d74 100644
--- a/goofy-client/libs/ui/src/lib/ui/icon-button-with-spinner/icon-button-with-spinner.component.html
+++ b/goofy-client/libs/ui/src/lib/ui/icon-button-with-spinner/icon-button-with-spinner.component.html
@@ -1,5 +1,5 @@
 <button mat-icon-button data-test-class="icon-button"
-		[attr.aria-label]="'icon button with a ' + (icon ? icon : svgIcon) + ' icon'"
+		[attr.aria-label]="toolTip ? toolTip : 'Icon Button mit einem ' + (icon ? icon : svgIcon) + ' Icon'"
 		[disabled]="isDisabled"
 		[matTooltip]="toolTip"
 		(click)="clickEmitter.emit($event)"
diff --git a/goofy-client/libs/user-profile/src/lib/user-profile-in-vorgang-container/user-profile-button-container/user-profile-button-container.component.html b/goofy-client/libs/user-profile/src/lib/user-profile-in-vorgang-container/user-profile-button-container/user-profile-button-container.component.html
index 8e53abf61007f17a6b81566a9269213d9c7f7f08..b678a866e2e84b3174c3afef377ad8f7b67b00e3 100644
--- a/goofy-client/libs/user-profile/src/lib/user-profile-in-vorgang-container/user-profile-button-container/user-profile-button-container.component.html
+++ b/goofy-client/libs/user-profile/src/lib/user-profile-in-vorgang-container/user-profile-button-container/user-profile-button-container.component.html
@@ -1,7 +1,7 @@
 <button #menuTrigger="matMenuTrigger"
 		[matMenuTriggerFor]="menu"
 		(menuOpened)="showUserProfileSearch()" (menuClosed)="hideUserProfileSearch()"
-		aria-label="icon button with a account icon"
+		aria-label="Bearbeiter ändern"
 		class="user-profile-button">
 
 	<goofy-client-user-icon data-test-id="user-profile-icon"
diff --git a/goofy-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-page.component.html b/goofy-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-page.component.html
index 98eab0271684f80549cee147da6216a6992e2372..ae68650c33c1a8bce8c5f165c787418bf5611164 100644
--- a/goofy-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-page.component.html
+++ b/goofy-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-page.component.html
@@ -1,7 +1,7 @@
 <ng-container *ngIf="vorgangStateResource$ | async as vorgangStateResource">
 
 	<goofy-client-subnavigation class="mat-app-background">
-		<a routerLink="/" mat-icon-button data-test-id="back-button" class="back-button" aria-label="back button with arrow icon" matTooltip="zurück zur Vorgangsliste">
+		<a routerLink="/" mat-icon-button data-test-id="back-button" class="back-button" aria-label="zurück zur Vorgangsliste" matTooltip="zurück zur Vorgangsliste">
 			<mat-icon>arrow_back</mat-icon>
 		</a>
 		<goofy-client-vorgang-detail-action-buttons [vorgangWithEingang]="vorgangStateResource.resource"></goofy-client-vorgang-detail-action-buttons>
diff --git a/goofy-client/libs/vorgang-shared-ui/src/lib/vorgang-search-container/vorgang-search/vorgang-search.component.html b/goofy-client/libs/vorgang-shared-ui/src/lib/vorgang-search-container/vorgang-search/vorgang-search.component.html
index 7d2f63d04eb7343def36d882177b7ef8b8f799f7..e266bed718a9efe95e157c1f8a2f2297a1a9e838 100644
--- a/goofy-client/libs/vorgang-shared-ui/src/lib/vorgang-search-container/vorgang-search/vorgang-search.component.html
+++ b/goofy-client/libs/vorgang-shared-ui/src/lib/vorgang-search-container/vorgang-search/vorgang-search.component.html
@@ -1,6 +1,6 @@
 <form (ngSubmit)="search()" [formGroup]="formService.form" class="search-field" data-test-id="search-form">
 
-	<button type="submit" data-test-id="search-button" mat-icon-button aria-label="icon button with search icon">
+	<button type="submit" data-test-id="search-button" mat-icon-button aria-label="Vorgänge durchsuchen">
 		<mat-icon class="search-icon">search</mat-icon>
 	</button>
 
@@ -18,9 +18,9 @@
 			*ngIf="formService.hasSearchString()"
 			(click)="formService.clear(); searchInput.focus()"
 			class="clear-button"
-			mat-icon-button aria-label="icon button to clear the search field"
+			mat-icon-button aria-label="Suchfeld leeren"
 			data-test-id="clear-button">
 		<mat-icon>close</mat-icon>
 	</button>
 
-</form>
\ No newline at end of file
+</form>
diff --git a/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-list-in-vorgang-container/wiedervorlage-list-in-vorgang/wiedervorlage-in-vorgang/wiedervorlage-in-vorgang.component.html b/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-list-in-vorgang-container/wiedervorlage-list-in-vorgang/wiedervorlage-in-vorgang/wiedervorlage-in-vorgang.component.html
index d1f577525d05acbead211bf31a491a0d04cfbc8f..8715e358e93bec78be387f2102ce428dfe50fbae 100644
--- a/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-list-in-vorgang-container/wiedervorlage-list-in-vorgang/wiedervorlage-in-vorgang/wiedervorlage-in-vorgang.component.html
+++ b/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-list-in-vorgang-container/wiedervorlage-list-in-vorgang/wiedervorlage-in-vorgang/wiedervorlage-in-vorgang.component.html
@@ -17,7 +17,7 @@
 
 		<button *ngIf="wiedervorlageResource.beschreibung || wiedervorlageResource.attachments.length > 0" data-test-class="expand-button"
 				[ngClass]="{ 'is-open': expanded }"
-				[attr.aria-label]="'button to show' + (expanded? 'more': 'less') + ' info'"
+				[attr.aria-label]="'Bereich ' + (expanded? 'ausklappen': 'einklappen')"
 				[matTooltip]="tooltip" mat-icon-button
 				(click)="toggle()">
 			<mat-icon>chevron_right</mat-icon>
diff --git a/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-page-container/wiedervorlage-page/wiedervorlage-action-buttons/wiedervorlage-action-buttons.component.html b/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-page-container/wiedervorlage-page/wiedervorlage-action-buttons/wiedervorlage-action-buttons.component.html
index b9be0021c2b54fb519a43069a17abf6a4c60abdf..8f68f4e89f0280090210a6b6cf503256dfab890a 100644
--- a/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-page-container/wiedervorlage-page/wiedervorlage-action-buttons/wiedervorlage-action-buttons.component.html
+++ b/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-page-container/wiedervorlage-page/wiedervorlage-action-buttons/wiedervorlage-action-buttons.component.html
@@ -1,4 +1,4 @@
-<a routerLink="../.." mat-icon-button data-test-id="back-button" class="back-button" aria-label="back button with arrow icon" matTooltip="zurück zur Detailseite">
+<a routerLink="../.." mat-icon-button data-test-id="back-button" class="back-button" aria-label="zurück zur Detailseite" matTooltip="zurück zur Detailseite">
 	<mat-icon>arrow_back</mat-icon>
 </a>
 <goofy-client-erledigen-button-container [wiedervorlage]="wiedervorlage"></goofy-client-erledigen-button-container>