diff --git a/src/app/components/loading/loading.ts b/src/app/components/loading/loading.ts
index 31298fa19..a255e52d7 100644
--- a/src/app/components/loading/loading.ts
+++ b/src/app/components/loading/loading.ts
@@ -50,20 +50,20 @@ export class CoreLoadingComponent implements OnInit, OnChanges, AfterViewInit {
     @Input() message?: string; // Message to show while loading.
     @ViewChild('content') content?: ElementRef;
 
-    protected uniqueId!: string;
+    uniqueId: string;
     protected element: HTMLElement; // Current element.
 
     constructor(element: ElementRef) {
         this.element = element.nativeElement;
+
+        // Calculate the unique ID.
+        this.uniqueId = 'core-loading-content-' + CoreUtils.instance.getUniqueId('CoreLoadingComponent');
     }
 
     /**
      * Component being initialized.
      */
     ngOnInit(): void {
-        // Calculate the unique ID.
-        this.uniqueId = 'core-loading-content-' + CoreUtils.instance.getUniqueId('CoreLoadingComponent');
-
         if (!this.message) {
             // Default loading message.
             this.message = Translate.instance.instant('core.loading');
diff --git a/src/app/components/show-password/show-password.ts b/src/app/components/show-password/show-password.ts
index 12dafefe4..6cec76522 100644
--- a/src/app/components/show-password/show-password.ts
+++ b/src/app/components/show-password/show-password.ts
@@ -45,8 +45,8 @@ export class CoreShowPasswordComponent implements OnInit, AfterViewInit {
     @ContentChild(IonInput) ionInput?: IonInput;
 
     shown!: boolean; // Whether the password is shown.
-    label?: string; // Label for the button to show/hide.
-    iconName?: string; // Name of the icon of the button to show/hide.
+    label!: string; // Label for the button to show/hide.
+    iconName!: string; // Name of the icon of the button to show/hide.
     selector = ''; // Selector to identify the input.
 
     protected input?: HTMLInputElement | null; // Input affected.
diff --git a/src/app/core/login/pages/site/site.page.ts b/src/app/core/login/pages/site/site.page.ts
index 4ce8d7381..486d9796e 100644
--- a/src/app/core/login/pages/site/site.page.ts
+++ b/src/app/core/login/pages/site/site.page.ts
@@ -417,8 +417,8 @@ export class CoreLoginSitePage implements OnInit {
      * @param event Received Event.
      */
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    filterChanged(event: any): void {
-        const newValue = event.target.value?.trim().toLowerCase();
+    filterChanged(event?: any): void {
+        const newValue = event?.target.value?.trim().toLowerCase();
         if (!newValue || !this.fixedSites) {
             this.filteredSites = this.fixedSites;
         } else {
diff --git a/src/app/core/mainmenu/pages/more/more.html b/src/app/core/mainmenu/pages/more/more.html
index 206208638..2426cab14 100644
--- a/src/app/core/mainmenu/pages/more/more.html
+++ b/src/app/core/mainmenu/pages/more/more.html
@@ -49,7 +49,7 @@
                 <h2>{{ 'core.scanqr' | translate }}</h2>
             </ion-label>
         </ion-item>
-        <ion-item *ngIf="showWeb" [href]="siteInfo.siteurl" core-link autoLogin="yes" title="{{ 'core.mainmenu.website' | translate }}">
+        <ion-item *ngIf="showWeb && siteInfo" [href]="siteInfo.siteurl" core-link autoLogin="yes" title="{{ 'core.mainmenu.website' | translate }}">
             <ion-icon name="globe" slot="start" aria-hidden="true"></ion-icon>
             <ion-label>
                 <h2>{{ 'core.mainmenu.website' | translate }}</h2>
diff --git a/src/app/core/mainmenu/pages/more/more.page.ts b/src/app/core/mainmenu/pages/more/more.page.ts
index bd47f45d8..b26b751cc 100644
--- a/src/app/core/mainmenu/pages/more/more.page.ts
+++ b/src/app/core/mainmenu/pages/more/more.page.ts
@@ -38,7 +38,7 @@ export class CoreMainMenuMorePage implements OnInit, OnDestroy {
     handlersLoaded = false;
     siteInfo?: CoreSiteInfo;
     siteName?: string;
-    logoutLabel?: string;
+    logoutLabel = 'core.mainmenu.changesite';
     showScanQR: boolean;
     showWeb?: boolean;
     showHelp?: boolean;