diff --git a/src/addons/mod/data/components/index/index.ts b/src/addons/mod/data/components/index/index.ts
index deeec564c..d7cb09504 100644
--- a/src/addons/mod/data/components/index/index.ts
+++ b/src/addons/mod/data/components/index/index.ts
@@ -90,7 +90,7 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
     entriesRendered = '';
     extraImports: Type<unknown>[]  = [AddonModDataComponentsCompileModule];
 
-    jsData? : {
+    jsData?: {
         fields: Record<number, AddonModDataField>;
         entries: Record<number, AddonModDataEntry>;
         database: AddonModDataData;
@@ -100,7 +100,7 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
     };
 
     // Data for found records translation.
-    foundRecordsTranslationData? : {
+    foundRecordsTranslationData?: {
         num: number;
         max: number;
         reseturl: string;
diff --git a/src/addons/mod/data/components/search/search.ts b/src/addons/mod/data/components/search/search.ts
index 74e7bab66..c50832bb9 100644
--- a/src/addons/mod/data/components/search/search.ts
+++ b/src/addons/mod/data/components/search/search.ts
@@ -52,7 +52,7 @@ export class AddonModDataSearchComponent implements OnInit {
     extraImports: Type<unknown>[]  = [AddonModDataComponentsCompileModule];
 
     searchForm: FormGroup;
-    jsData? : {
+    jsData?: {
         fields: Record<number, AddonModDataField>;
         form: FormGroup;
         search: CoreFormFields;
diff --git a/src/addons/mod/data/pages/edit/edit.ts b/src/addons/mod/data/pages/edit/edit.ts
index e3becd365..1fff5f530 100644
--- a/src/addons/mod/data/pages/edit/edit.ts
+++ b/src/addons/mod/data/pages/edit/edit.ts
@@ -77,7 +77,7 @@ export class AddonModDataEditPage implements OnInit {
     editFormRender = '';
     editForm: FormGroup;
     extraImports: Type<unknown>[]  = [AddonModDataComponentsCompileModule];
-    jsData? : {
+    jsData?: {
         fields: Record<number, AddonModDataField>;
         database?: AddonModDataData;
         contents: AddonModDataEntryFields;
diff --git a/src/addons/mod/data/pages/entry/entry.ts b/src/addons/mod/data/pages/entry/entry.ts
index 7e3f89c8f..3d1884a02 100644
--- a/src/addons/mod/data/pages/entry/entry.ts
+++ b/src/addons/mod/data/pages/entry/entry.ts
@@ -78,7 +78,7 @@ export class AddonModDataEntryPage implements OnInit, OnDestroy {
     entryHtml = '';
     siteId: string;
     extraImports: Type<unknown>[]  = [AddonModDataComponentsCompileModule];
-    jsData? : {
+    jsData?: {
         fields: Record<number, AddonModDataField>;
         entries: Record<number, AddonModDataEntry>;
         database: AddonModDataData;
diff --git a/src/addons/mod/url/components/index/addon-mod-url-index.html b/src/addons/mod/url/components/index/addon-mod-url-index.html
index fb8339bf3..6ded3f48f 100644
--- a/src/addons/mod/url/components/index/addon-mod-url-index.html
+++ b/src/addons/mod/url/components/index/addon-mod-url-index.html
@@ -26,11 +26,11 @@
     <ion-list *ngIf="!shouldIframe && (!shouldEmbed || !isOther)">
         <ion-item *ngIf="shouldEmbed">
             <ion-label>
-                <img *ngIf="isImage" title="{{name}}" [src]="url">
-                <video *ngIf="isVideo" title="{{name}}" controls>
+                <img *ngIf="isImage" [alt]="name" [src]="url">
+                <video *ngIf="isVideo" [title]="name" controls>
                     <source [src]="url" [type]="mimetype">
                 </video>
-                <audio *ngIf="isAudio" title="{{name}}" controls>
+                <audio *ngIf="isAudio" [title]="name" controls>
                     <source [src]="url" [type]="mimetype">
                 </audio>
             </ion-label>
diff --git a/src/core/classes/site.ts b/src/core/classes/site.ts
index 82d64c17f..64effc43c 100644
--- a/src/core/classes/site.ts
+++ b/src/core/classes/site.ts
@@ -659,7 +659,9 @@ export class CoreSite {
                 preSets.omitExpires = true;
                 preSets.getFromCache = true;
 
-                return this.getFromCache<T>(method, data, preSets, true).catch(() => Promise.reject(new CoreWSError(error)));
+                return this.getFromCache<T>(method, data, preSets, true).catch(() => {
+                    throw new CoreWSError(error);
+                });
             });
         // eslint-disable-next-line @typescript-eslint/no-explicit-any
         }).then((response: any) => {
diff --git a/src/core/components/progress-bar/core-progress-bar.html b/src/core/components/progress-bar/core-progress-bar.html
index 6edeb841e..7583839a4 100644
--- a/src/core/components/progress-bar/core-progress-bar.html
+++ b/src/core/components/progress-bar/core-progress-bar.html
@@ -1,5 +1,5 @@
 <ng-container *ngIf="progress >= 0">
-    <progress max="100" [value]="progress" role="progressbar" aria-valuemin="0" aria-valuemax="100" [attr.aria-valuenow]="progress">
+    <progress max="100" [value]="progress" role="progressbar" [attr.aria-valuenow]="progress">
     </progress>
     <div class="core-progress-text">{{ 'core.percentagenumber' | translate: {$a: text} }}</div>
 </ng-container>
diff --git a/src/core/features/grades/pages/grade/grade.html b/src/core/features/grades/pages/grade/grade.html
index 16ec6ce0e..a5431de85 100644
--- a/src/core/features/grades/pages/grade/grade.html
+++ b/src/core/features/grades/pages/grade/grade.html
@@ -18,7 +18,7 @@
             capture="true">
                 <ion-icon *ngIf="grade.icon" name="{{grade.icon}}" slot="start" [attr.aria-label]="grade.iconAlt"></ion-icon>
                 <img *ngIf="grade.image" [src]="grade.image" slot="start" class="core-module-icon"
-                    [attr.aria-label]="grade.iconAlt"/>
+                    [alt]="grade.iconAlt">
                 <ion-label>
                     <h2><core-format-text [text]="grade.itemname" contextLevel="course" [contextInstanceId]="courseId">
                     </core-format-text></h2>
diff --git a/src/core/features/login/pages/site/site.html b/src/core/features/login/pages/site/site.html
index b2a769259..dd52720d9 100644
--- a/src/core/features/login/pages/site/site.html
+++ b/src/core/features/login/pages/site/site.html
@@ -121,8 +121,8 @@
 <ng-template #site let-site="site">
     <ion-item button (click)="connect($event, site.url, site)" [attr.aria-label]="site.name" detail="true">
         <ion-thumbnail *ngIf="siteFinderSettings.displayimage" slot="start">
-            <img [src]="site.imageurl" *ngIf="site.imageurl" onError="this.src='assets/icon/icon.png'">
-            <img src="assets/icon/icon.png" *ngIf="!site.imageurl" class="core-login-default-icon">
+            <img [src]="site.imageurl" *ngIf="site.imageurl" onError="this.src='assets/icon/icon.png'" alt="" role="presentation">
+            <img src="assets/icon/icon.png" *ngIf="!site.imageurl" class="core-login-default-icon" alt="" role="presentation">
         </ion-thumbnail>
         <ion-label>
             <h2 *ngIf="site.title" class="ion-text-wrap">{{site.title}}</h2>
diff --git a/src/core/features/search/components/search-box/core-search-box.html b/src/core/features/search/components/search-box/core-search-box.html
index f9c217aa2..8cc8753b9 100644
--- a/src/core/features/search/components/search-box/core-search-box.html
+++ b/src/core/features/search/components/search-box/core-search-box.html
@@ -18,7 +18,7 @@
         </ion-item>
         <ion-list class="core-search-history" [hidden]="!historyShown">
             <ion-item button class="ion-text-wrap" *ngFor="let item of history"
-                (click)="historyClicked($event, item.searchedtext)" tabindex="1" detail>
+                (click)="historyClicked($event, item.searchedtext)" tabindex="0" detail="true">
                 <ion-icon name="fas-history" slot="start" aria-hidden="true">
                 </ion-icon>
                 <ion-label>{{item.searchedtext}}</ion-label>