diff --git a/src/app/access-control/epeople-registry/epeople-registry.component.html b/src/app/access-control/epeople-registry/epeople-registry.component.html
index 4979f85819..bf7b9a2060 100644
--- a/src/app/access-control/epeople-registry/epeople-registry.component.html
+++ b/src/app/access-control/epeople-registry/epeople-registry.component.html
@@ -2,7 +2,7 @@
   <div class="epeople-registry row">
     <div class="col-12">
       <div class="d-flex justify-content-between border-bottom mb-3">
-        <h2 id="header" class="pb-2">{{labelPrefix + 'head' | translate}}</h2>
+        <h1 id="header" class="pb-2">{{labelPrefix + 'head' | translate}}</h1>
 
         <div>
           <button class="mr-auto btn btn-success addEPerson-button"
@@ -13,9 +13,9 @@
         </div>
       </div>
 
-      <h3 id="search" class="border-bottom pb-2">{{labelPrefix + 'search.head' | translate}}
-
-      </h3>
+      <h2 id="search" class="border-bottom pb-2">
+        {{labelPrefix + 'search.head' | translate}}
+      </h2>
       <form [formGroup]="searchForm" (ngSubmit)="search(searchForm.value)" class="d-flex justify-content-between">
         <div>
           <select name="scope" id="scope" formControlName="scope" class="form-control" aria-label="Search scope">
diff --git a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html
index 6a7b8b931f..747d30bb89 100644
--- a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html
+++ b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html
@@ -5,11 +5,11 @@
       <div *ngIf="epersonService.getActiveEPerson() | async; then editHeader; else createHeader"></div>
 
       <ng-template #createHeader>
-        <h2 class="border-bottom pb-2">{{messagePrefix + '.create' | translate}}</h2>
+        <h1 class="border-bottom pb-2">{{messagePrefix + '.create' | translate}}</h1>
       </ng-template>
 
       <ng-template #editHeader>
-        <h2 class="border-bottom pb-2">{{messagePrefix + '.edit' | translate}}</h2>
+        <h1 class="border-bottom pb-2">{{messagePrefix + '.edit' | translate}}</h1>
       </ng-template>
 
       <ds-form [formId]="formId"
@@ -45,7 +45,7 @@
       <ds-themed-loading [showMessage]="false" *ngIf="!formGroup"></ds-themed-loading>
 
       <div *ngIf="epersonService.getActiveEPerson() | async">
-        <h5>{{messagePrefix + '.groupsEPersonIsMemberOf' | translate}}</h5>
+        <h2>{{messagePrefix + '.groupsEPersonIsMemberOf' | translate}}</h2>
 
         <ds-themed-loading [showMessage]="false" *ngIf="!(groups | async)"></ds-themed-loading>
 
diff --git a/src/app/access-control/group-registry/group-form/group-form.component.html b/src/app/access-control/group-registry/group-form/group-form.component.html
index f31de0db1b..491762a437 100644
--- a/src/app/access-control/group-registry/group-form/group-form.component.html
+++ b/src/app/access-control/group-registry/group-form/group-form.component.html
@@ -5,11 +5,11 @@
       <div *ngIf="groupDataService.getActiveGroup() | async; then editHeader; else createHeader"></div>
 
       <ng-template #createHeader>
-        <h2 class="border-bottom pb-2">{{messagePrefix + '.head.create' | translate}}</h2>
+        <h1 class="border-bottom pb-2">{{messagePrefix + '.head.create' | translate}}</h1>
       </ng-template>
 
       <ng-template #editHeader>
-        <h2 class="border-bottom pb-2">
+        <h1 class="border-bottom pb-2">
           <span
             *dsContextHelp="{
               content: 'admin.access-control.groups.form.tooltip.editGroupPage',
@@ -20,7 +20,7 @@
           >
             {{messagePrefix + '.head.edit' | translate}}
           </span>
-        </h2>
+        </h1>
       </ng-template>
 
       <ds-alert *ngIf="groupBeingEdited?.permanent" [type]="AlertTypeEnum.Warning"
@@ -39,9 +39,8 @@
           <button (click)="onCancel()" type="button"
                   class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
         </div>
-        <div after *ngIf="(canEdit$ | async) && !groupBeingEdited.permanent" class="btn-group">
-          <button class="btn btn-danger delete-button" [disabled]="!(canEdit$ | async) || groupBeingEdited.permanent"
-                  (click)="delete()" type="button">
+        <div after *ngIf="(canEdit$ | async) && !groupBeingEdited?.permanent" class="btn-group">
+          <button (click)="delete()" class="btn btn-danger delete-button" type="button">
             <i class="fa fa-trash"></i> {{ messagePrefix + '.actions.delete' | translate}}
           </button>
         </div>
diff --git a/src/app/access-control/group-registry/group-form/members-list/members-list.component.html b/src/app/access-control/group-registry/group-form/members-list/members-list.component.html
index c0c77f44eb..7f01e1b720 100644
--- a/src/app/access-control/group-registry/group-form/members-list/members-list.component.html
+++ b/src/app/access-control/group-registry/group-form/members-list/members-list.component.html
@@ -1,7 +1,7 @@
 <ng-container>
-  <h3 class="border-bottom pb-2">{{messagePrefix + '.head' | translate}}</h3>
+  <h2 class="border-bottom pb-2">{{messagePrefix + '.head' | translate}}</h2>
 
-  <h4>{{messagePrefix + '.headMembers' | translate}}</h4>
+  <h3>{{messagePrefix + '.headMembers' | translate}}</h3>
 
   <ds-pagination *ngIf="(ePeopleMembersOfGroup | async)?.totalElements > 0"
                  [paginationOptions]="config"
@@ -55,7 +55,7 @@
     {{messagePrefix + '.no-members-yet' | translate}}
   </div>
 
-  <h4 id="search" class="border-bottom pb-2">
+  <h3 id="search" class="border-bottom pb-2">
     <span
       *dsContextHelp="{
         content: 'admin.access-control.groups.form.tooltip.editGroup.addEpeople',
@@ -66,7 +66,7 @@
     >
       {{messagePrefix + '.search.head' | translate}}
     </span>
-  </h4>
+  </h3>
 
   <form [formGroup]="searchForm" (ngSubmit)="search(searchForm.value)" class="d-flex justify-content-between">
     <div class="flex-grow-1 mr-3">
diff --git a/src/app/access-control/group-registry/groups-registry.component.html b/src/app/access-control/group-registry/groups-registry.component.html
index 27cec262c4..bd39cbe94f 100644
--- a/src/app/access-control/group-registry/groups-registry.component.html
+++ b/src/app/access-control/group-registry/groups-registry.component.html
@@ -2,7 +2,7 @@
   <div class="groups-registry row">
     <div class="col-12">
       <div class="d-flex justify-content-between border-bottom mb-3">
-        <h2 id="header" class="pb-2">{{messagePrefix + 'head' | translate}}</h2>
+        <h1 id="header" class="pb-2">{{messagePrefix + 'head' | translate}}</h1>
         <div>
           <button class="mr-auto btn btn-success"
                   [routerLink]="'create'">
@@ -12,7 +12,7 @@
         </div>
       </div>
 
-      <h3 id="search" class="border-bottom pb-2">{{messagePrefix + 'search.head' | translate}}</h3>
+      <h2 id="search" class="border-bottom pb-2">{{messagePrefix + 'search.head' | translate}}</h2>
       <form [formGroup]="searchForm" (ngSubmit)="search(searchForm.value)" class="d-flex justify-content-between">
         <div class="flex-grow-1 mr-3">
           <div class="form-group input-group">
diff --git a/src/app/admin/admin-curation-tasks/admin-curation-tasks.component.html b/src/app/admin/admin-curation-tasks/admin-curation-tasks.component.html
index a702a7e6b0..ba3a6f45d7 100644
--- a/src/app/admin/admin-curation-tasks/admin-curation-tasks.component.html
+++ b/src/app/admin/admin-curation-tasks/admin-curation-tasks.component.html
@@ -1,4 +1,4 @@
 <div class="container">
-    <h2>{{'admin.curation-tasks.header' |translate }}</h2>
+    <h1>{{'admin.curation-tasks.header' |translate }}</h1>
     <ds-curation-form></ds-curation-form>
 </div>
diff --git a/src/app/admin/admin-import-metadata-page/metadata-import-page.component.html b/src/app/admin/admin-import-metadata-page/metadata-import-page.component.html
index 24901cc11d..73e69737ca 100644
--- a/src/app/admin/admin-import-metadata-page/metadata-import-page.component.html
+++ b/src/app/admin/admin-import-metadata-page/metadata-import-page.component.html
@@ -1,5 +1,5 @@
 <div class="container">
-  <h2 id="header">{{'admin.metadata-import.page.header' | translate}}</h2>
+  <h1 id="header">{{'admin.metadata-import.page.header' | translate}}</h1>
   <p>{{'admin.metadata-import.page.help' | translate}}</p>
   <div class="form-group">
     <div class="form-check">
diff --git a/src/app/admin/admin-registries/bitstream-formats/add-bitstream-format/add-bitstream-format.component.html b/src/app/admin/admin-registries/bitstream-formats/add-bitstream-format/add-bitstream-format.component.html
index 24c97051c5..d1be68633f 100644
--- a/src/app/admin/admin-registries/bitstream-formats/add-bitstream-format/add-bitstream-format.component.html
+++ b/src/app/admin/admin-registries/bitstream-formats/add-bitstream-format/add-bitstream-format.component.html
@@ -1,8 +1,8 @@
 <div class="container">
     <div class="row">
         <div class="col-12 mb-4">
-            <h2 id="sub-header"
-                class="border-bottom pb-2">{{ 'admin.registries.bitstream-formats.create.new' | translate }}</h2>
+            <h1 id="sub-header"
+                class="border-bottom pb-2">{{ 'admin.registries.bitstream-formats.create.new' | translate }}</h1>
 
             <ds-bitstream-format-form (updatedFormat)="createBitstreamFormat($event)"></ds-bitstream-format-form>
 
diff --git a/src/app/admin/admin-registries/bitstream-formats/bitstream-formats.component.html b/src/app/admin/admin-registries/bitstream-formats/bitstream-formats.component.html
index 45d8ed5d11..37323d41d0 100644
--- a/src/app/admin/admin-registries/bitstream-formats/bitstream-formats.component.html
+++ b/src/app/admin/admin-registries/bitstream-formats/bitstream-formats.component.html
@@ -2,7 +2,7 @@
   <div class="bitstream-formats row">
     <div class="col-12">
 
-      <h2 id="header" class="border-bottom pb-2">{{'admin.registries.bitstream-formats.head' | translate}}</h2>
+      <h1 id="header" class="border-bottom pb-2">{{'admin.registries.bitstream-formats.head' | translate}}</h1>
 
       <p id="description">{{'admin.registries.bitstream-formats.description' | translate}}</p>
       <p id="create-new" class="mb-2"><a [routerLink]="'add'" class="btn btn-success">{{'admin.registries.bitstream-formats.create.new' | translate}}</a></p>
diff --git a/src/app/admin/admin-registries/bitstream-formats/edit-bitstream-format/edit-bitstream-format.component.html b/src/app/admin/admin-registries/bitstream-formats/edit-bitstream-format/edit-bitstream-format.component.html
index 43bfbd0de0..efcced2a87 100644
--- a/src/app/admin/admin-registries/bitstream-formats/edit-bitstream-format/edit-bitstream-format.component.html
+++ b/src/app/admin/admin-registries/bitstream-formats/edit-bitstream-format/edit-bitstream-format.component.html
@@ -1,8 +1,8 @@
 <div class="container">
     <div class="row">
         <div class="col-12 mb-4">
-            <h2 id="sub-header"
-                class="border-bottom pb-2">{{'admin.registries.bitstream-formats.edit.head' | translate:{format: (bitstreamFormatRD$ | async)?.payload.shortDescription} }}</h2>
+            <h1 id="sub-header"
+                class="border-bottom pb-2">{{'admin.registries.bitstream-formats.edit.head' | translate:{format: (bitstreamFormatRD$ | async)?.payload.shortDescription} }}</h1>
 
              <ds-bitstream-format-form [bitstreamFormat]="(bitstreamFormatRD$ | async)?.payload" (updatedFormat)="updateFormat($event)"></ds-bitstream-format-form>
 
diff --git a/src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.html b/src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.html
index 11aa3bfe75..b306eb2721 100644
--- a/src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.html
+++ b/src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.html
@@ -8,7 +8,7 @@
         <div class="container">
           <div class="row">
             <div class="col-12">
-              <h3>{{dsoNameService.getName(bitstreamRD?.payload)}} <span class="text-muted">({{bitstreamRD?.payload?.sizeBytes | dsFileSize}})</span></h3>
+              <h1 class="h2">{{dsoNameService.getName(bitstreamRD?.payload)}} <span class="text-muted">({{bitstreamRD?.payload?.sizeBytes | dsFileSize}})</span></h1>
             </div>
           </div>
         </div>
diff --git a/src/app/browse-by/browse-by-taxonomy-page/browse-by-taxonomy-page.component.html b/src/app/browse-by/browse-by-taxonomy-page/browse-by-taxonomy-page.component.html
index 0ae3da6847..c24ca93403 100644
--- a/src/app/browse-by/browse-by-taxonomy-page/browse-by-taxonomy-page.component.html
+++ b/src/app/browse-by/browse-by-taxonomy-page/browse-by-taxonomy-page.component.html
@@ -1,4 +1,5 @@
 <div class="container">
+  <h1>{{ ('browse.taxonomy_' + vocabularyName + '.title') | translate }}</h1>
   <div class="mb-3">
     <ds-vocabulary-treeview [vocabularyOptions]=vocabularyOptions
                             [multiSelect]="true"
diff --git a/src/app/collection-page/delete-collection-page/delete-collection-page.component.html b/src/app/collection-page/delete-collection-page/delete-collection-page.component.html
index ba54bbabd5..d878d22589 100644
--- a/src/app/collection-page/delete-collection-page/delete-collection-page.component.html
+++ b/src/app/collection-page/delete-collection-page/delete-collection-page.component.html
@@ -2,7 +2,7 @@
     <div class="row">
         <ng-container *ngVar="(dsoRD$ | async)?.payload as dso">
             <div class="col-12 pb-4">
-                <h2 id="header" class="border-bottom pb-2">{{ 'collection.delete.head' | translate}}</h2>
+                <h1 id="header" class="border-bottom pb-2">{{ 'collection.delete.head' | translate}}</h1>
                 <p class="pb-2">{{ 'collection.delete.text' | translate:{ dso: dsoNameService.getName(dso) } }}</p>
                 <div class="form-group row">
                   <div class="col text-right space-children-mr">
diff --git a/src/app/collection-page/edit-collection-page/collection-curate/collection-curate.component.html b/src/app/collection-page/edit-collection-page/collection-curate/collection-curate.component.html
index 38c9d22f4e..4fbe60d6b1 100644
--- a/src/app/collection-page/edit-collection-page/collection-curate/collection-curate.component.html
+++ b/src/app/collection-page/edit-collection-page/collection-curate/collection-curate.component.html
@@ -1,5 +1,5 @@
 <div class="container">
-    <h3>{{'collection.curate.header' |translate:{collection: (collectionName$ |async)} }}</h3>
+    <h2>{{'collection.curate.header' |translate:{collection: (collectionName$ |async)} }}</h2>
     <ds-curation-form
             [dsoHandle]="(dsoRD$|async)?.payload.handle"
     ></ds-curation-form>
diff --git a/src/app/collection-page/edit-collection-page/collection-source/collection-source.component.html b/src/app/collection-page/edit-collection-page/collection-source/collection-source.component.html
index d7b0d0c475..41e66610a8 100644
--- a/src/app/collection-page/edit-collection-page/collection-source/collection-source.component.html
+++ b/src/app/collection-page/edit-collection-page/collection-source/collection-source.component.html
@@ -18,7 +18,7 @@
             <span class="d-none d-sm-inline">&nbsp;{{"item.edit.metadata.save-button" | translate}}</span>
         </button>
     </div>
-    <h4>{{ 'collection.edit.tabs.source.head' | translate }}</h4>
+    <h2>{{ 'collection.edit.tabs.source.head' | translate }}</h2>
     <div *ngIf="contentSource" class="form-check mb-4">
         <input type="checkbox" class="form-check-input" id="externalSourceCheck"
                [checked]="(contentSource?.harvestType !== harvestTypeNone)" (change)="changeExternalSource()">
diff --git a/src/app/collection-page/edit-item-template-page/edit-item-template-page.component.html b/src/app/collection-page/edit-item-template-page/edit-item-template-page.component.html
index 20afd701ff..8d095dd229 100644
--- a/src/app/collection-page/edit-item-template-page/edit-item-template-page.component.html
+++ b/src/app/collection-page/edit-item-template-page/edit-item-template-page.component.html
@@ -2,7 +2,7 @@
   <div class="row">
     <div class="col-12" *ngVar="(itemRD$ | async) as itemRD">
       <ng-container *ngIf="itemRD?.hasSucceeded">
-        <h2 class="border-bottom">{{ 'collection.edit.template.head' | translate:{ collection: dsoNameService.getName(collection) } }}</h2>
+        <h1 class="border-bottom">{{ 'collection.edit.template.head' | translate:{ collection: dsoNameService.getName(collection) } }}</h1>
         <ds-themed-dso-edit-metadata [updateDataService]="itemTemplateService" [dso]="itemRD?.payload"></ds-themed-dso-edit-metadata>
         <button [routerLink]="getCollectionEditUrl(collection)" class="btn btn-outline-secondary">{{ 'collection.edit.template.cancel' | translate }}</button>
       </ng-container>
diff --git a/src/app/community-page/delete-community-page/delete-community-page.component.html b/src/app/community-page/delete-community-page/delete-community-page.component.html
index 6bb8460bc9..ef5fdade73 100644
--- a/src/app/community-page/delete-community-page/delete-community-page.component.html
+++ b/src/app/community-page/delete-community-page/delete-community-page.component.html
@@ -2,7 +2,7 @@
     <div class="row">
         <ng-container *ngVar="(dsoRD$ | async)?.payload as dso">
             <div class="col-12 pb-4">
-                <h2 id="header" class="border-bottom pb-2">{{ 'community.delete.head' | translate}}</h2>
+                <h1 id="header" class="border-bottom pb-2">{{ 'community.delete.head' | translate}}</h1>
                 <p class="pb-2">{{ 'community.delete.text' | translate:{ dso: dsoNameService.getName(dso) } }}</p>
                 <div class="form-group row">
                     <div class="col text-right space-children-mr">
diff --git a/src/app/community-page/edit-community-page/community-curate/community-curate.component.html b/src/app/community-page/edit-community-page/community-curate/community-curate.component.html
index 6c041d1725..5e11fdfbce 100644
--- a/src/app/community-page/edit-community-page/community-curate/community-curate.component.html
+++ b/src/app/community-page/edit-community-page/community-curate/community-curate.component.html
@@ -1,5 +1,5 @@
 <div class="container">
-    <h3>{{'community.curate.header' |translate:{community: (communityName$ |async)} }}</h3>
+    <h2>{{'community.curate.header' |translate:{community: (communityName$ |async)} }}</h2>
     <ds-curation-form
            [dsoHandle]="(dsoRD$|async)?.payload.handle"
     ></ds-curation-form>
diff --git a/src/app/info/feedback/feedback-form/feedback-form.component.html b/src/app/info/feedback/feedback-form/feedback-form.component.html
index a3bab3a6a3..25be4ba445 100644
--- a/src/app/info/feedback/feedback-form/feedback-form.component.html
+++ b/src/app/info/feedback/feedback-form/feedback-form.component.html
@@ -1,7 +1,7 @@
 <div class="row row-offcanvas row-offcanvas-right">
   <div class="col-xs-12 col-sm-12 col-md-9">
     <form class="primary" [formGroup]="feedbackForm" (ngSubmit)="createFeedback()">
-      <h2>{{ 'info.feedback.head' | translate }}</h2>
+      <h1>{{ 'info.feedback.head' | translate }}</h1>
       <p>{{ 'info.feedback.info' | translate }}</p>
       <fieldset class="col p-0">
         <div class="row">
diff --git a/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.html b/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.html
index 1fae737fdb..2d4ac89fcc 100644
--- a/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.html
+++ b/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.html
@@ -1,5 +1,5 @@
 <div class="container">
-    <h3 class="mb-4">{{'bitstream-request-a-copy.header' | translate}}</h3>
+    <h1 class="mb-4">{{'bitstream-request-a-copy.header' | translate}}</h1>
     <div *ngIf="canDownload$|async" class="alert alert-success">
         <span>{{'bitstream-request-a-copy.alert.canDownload1' | translate}}</span>
         <a [routerLink]="getBitstreamLink()">{{'bitstream-request-a-copy.alert.canDownload2'| translate}}</a>
diff --git a/src/app/item-page/edit-item-page/edit-item-page.component.html b/src/app/item-page/edit-item-page/edit-item-page.component.html
index 4aa4c9af16..1da10106f4 100644
--- a/src/app/item-page/edit-item-page/edit-item-page.component.html
+++ b/src/app/item-page/edit-item-page/edit-item-page.component.html
@@ -1,7 +1,7 @@
 <div class="container">
     <div class="row">
         <div class="col-12">
-            <h2 class="border-bottom">{{'item.edit.head' | translate}}</h2>
+            <h1 class="border-bottom">{{'item.edit.head' | translate}}</h1>
             <div class="pt-2">
                 <ul class="nav nav-tabs justify-content-start" role="tablist">
                     <li *ngFor="let page of pages" class="nav-item" role="presentation">
diff --git a/src/app/item-page/edit-item-page/item-curate/item-curate.component.html b/src/app/item-page/edit-item-page/item-curate/item-curate.component.html
index 7c7ed41bd9..22b10b28b6 100644
--- a/src/app/item-page/edit-item-page/item-curate/item-curate.component.html
+++ b/src/app/item-page/edit-item-page/item-curate/item-curate.component.html
@@ -1,5 +1,5 @@
 <div class="container mt-3">
-    <h3>{{'item.edit.curate.title' |translate:{item: (itemName$ |async)} }}</h3>
+    <h2>{{'item.edit.curate.title' |translate:{item: (itemName$ |async)} }}</h2>
     <ds-curation-form
       *ngIf="dsoRD$ | async as dsoRD"
       [dsoHandle]="dsoRD?.payload.handle"
diff --git a/src/app/item-page/edit-item-page/item-delete/item-delete.component.html b/src/app/item-page/edit-item-page/item-delete/item-delete.component.html
index 7b1953d892..5191e705d0 100644
--- a/src/app/item-page/edit-item-page/item-delete/item-delete.component.html
+++ b/src/app/item-page/edit-item-page/item-delete/item-delete.component.html
@@ -2,7 +2,7 @@
     <div class="row">
         <div class="col-12">
 
-            <h2>{{headerMessage | translate: {id: item.handle} }}</h2>
+            <h1>{{headerMessage | translate: {id: item.handle} }}</h1>
             <p>{{descriptionMessage | translate}}</p>
             <ds-modify-item-overview [item]="item"></ds-modify-item-overview>
 
diff --git a/src/app/item-page/edit-item-page/item-delete/item-delete.component.spec.ts b/src/app/item-page/edit-item-page/item-delete/item-delete.component.spec.ts
index 2a9f7fae52..d406293828 100644
--- a/src/app/item-page/edit-item-page/item-delete/item-delete.component.spec.ts
+++ b/src/app/item-page/edit-item-page/item-delete/item-delete.component.spec.ts
@@ -171,7 +171,7 @@ describe('ItemDeleteComponent', () => {
   });
 
   it('should render a page with messages based on the \'delete\' messageKey', () => {
-    const header = fixture.debugElement.query(By.css('h2')).nativeElement;
+    const header = fixture.debugElement.query(By.css('h1')).nativeElement;
     expect(header.innerHTML).toContain('item.edit.delete.header');
     const description = fixture.debugElement.query(By.css('p')).nativeElement;
     expect(description.innerHTML).toContain('item.edit.delete.description');
diff --git a/src/app/item-page/edit-item-page/item-move/item-move.component.html b/src/app/item-page/edit-item-page/item-move/item-move.component.html
index c1a4a5b9a9..d136f003f4 100644
--- a/src/app/item-page/edit-item-page/item-move/item-move.component.html
+++ b/src/app/item-page/edit-item-page/item-move/item-move.component.html
@@ -1,7 +1,7 @@
 <div class="container">
     <div class="row">
         <div class="col-12">
-            <h2>{{'item.edit.move.head' | translate: {id: (itemRD$ | async)?.payload?.handle} }}</h2>
+            <h1>{{'item.edit.move.head' | translate: {id: (itemRD$ | async)?.payload?.handle} }}</h1>
             <p>{{'item.edit.move.description' | translate}}</p>
             <div class="row">
                 <div class="col-12">
diff --git a/src/app/item-page/edit-item-page/item-private/item-private.component.spec.ts b/src/app/item-page/edit-item-page/item-private/item-private.component.spec.ts
index 323255e3d7..24a4aacc99 100644
--- a/src/app/item-page/edit-item-page/item-private/item-private.component.spec.ts
+++ b/src/app/item-page/edit-item-page/item-private/item-private.component.spec.ts
@@ -80,7 +80,7 @@ describe('ItemPrivateComponent', () => {
   });
 
   it('should render a page with messages based on the \'private\' messageKey', () => {
-    const header = fixture.debugElement.query(By.css('h2')).nativeElement;
+    const header = fixture.debugElement.query(By.css('h1')).nativeElement;
     expect(header.innerHTML).toContain('item.edit.private.header');
     const description = fixture.debugElement.query(By.css('p')).nativeElement;
     expect(description.innerHTML).toContain('item.edit.private.description');
diff --git a/src/app/item-page/edit-item-page/item-public/item-public.component.spec.ts b/src/app/item-page/edit-item-page/item-public/item-public.component.spec.ts
index 1f741fcc59..0174e6a6b0 100644
--- a/src/app/item-page/edit-item-page/item-public/item-public.component.spec.ts
+++ b/src/app/item-page/edit-item-page/item-public/item-public.component.spec.ts
@@ -74,7 +74,7 @@ describe('ItemPublicComponent', () => {
   });
 
   it('should render a page with messages based on the \'public\' messageKey', () => {
-    const header = fixture.debugElement.query(By.css('h2')).nativeElement;
+    const header = fixture.debugElement.query(By.css('h1')).nativeElement;
     expect(header.innerHTML).toContain('item.edit.public.header');
     const description = fixture.debugElement.query(By.css('p')).nativeElement;
     expect(description.innerHTML).toContain('item.edit.public.description');
diff --git a/src/app/item-page/edit-item-page/item-reinstate/item-reinstate.component.spec.ts b/src/app/item-page/edit-item-page/item-reinstate/item-reinstate.component.spec.ts
index 594e7b806a..4e2b00e4e6 100644
--- a/src/app/item-page/edit-item-page/item-reinstate/item-reinstate.component.spec.ts
+++ b/src/app/item-page/edit-item-page/item-reinstate/item-reinstate.component.spec.ts
@@ -76,7 +76,7 @@ describe('ItemReinstateComponent', () => {
   });
 
   it('should render a page with messages based on the \'reinstate\' messageKey', () => {
-    const header = fixture.debugElement.query(By.css('h2')).nativeElement;
+    const header = fixture.debugElement.query(By.css('h1')).nativeElement;
     expect(header.innerHTML).toContain('item.edit.reinstate.header');
     const description = fixture.debugElement.query(By.css('p')).nativeElement;
     expect(description.innerHTML).toContain('item.edit.reinstate.description');
diff --git a/src/app/item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.html b/src/app/item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.html
index 7cdc903f24..d5f7901b3f 100644
--- a/src/app/item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.html
+++ b/src/app/item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.html
@@ -1,10 +1,10 @@
-<h5>
+<h2 class="h4">
     {{getRelationshipMessageKey() | async | translate}}
     <button class="ml-2 btn btn-success" [disabled]="(hasChanges | async)" (click)="openLookup()">
         <i class="fas fa-plus"></i>
         <span class="d-none d-sm-inline">&nbsp;{{"item.edit.relationships.edit.buttons.add" | translate}}</span>
     </button>
-</h5>
+</h2>
 <ng-container *ngVar="updates$ | async as updates">
     <ng-container *ngIf="updates && !(loading$ | async)">
         <ng-container *ngVar="updates | dsObjectValues as updateValues">
diff --git a/src/app/item-page/edit-item-page/item-withdraw/item-withdraw.component.spec.ts b/src/app/item-page/edit-item-page/item-withdraw/item-withdraw.component.spec.ts
index 3397742f5b..1b7bff30e8 100644
--- a/src/app/item-page/edit-item-page/item-withdraw/item-withdraw.component.spec.ts
+++ b/src/app/item-page/edit-item-page/item-withdraw/item-withdraw.component.spec.ts
@@ -74,7 +74,7 @@ describe('ItemWithdrawComponent', () => {
   });
 
   it('should render a page with messages based on the \'withdraw\' messageKey', () => {
-    const header = fixture.debugElement.query(By.css('h2')).nativeElement;
+    const header = fixture.debugElement.query(By.css('h1')).nativeElement;
     expect(header.innerHTML).toContain('item.edit.withdraw.header');
     const description = fixture.debugElement.query(By.css('p')).nativeElement;
     expect(description.innerHTML).toContain('item.edit.withdraw.description');
diff --git a/src/app/item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.html b/src/app/item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.html
index b5757d1859..67249b085a 100644
--- a/src/app/item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.html
+++ b/src/app/item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.html
@@ -1,7 +1,7 @@
 <div class="container">
     <div class="row">
         <div class="col-12">
-            <h2>{{headerMessage | translate: {id: item.handle} }}</h2>
+            <h1>{{headerMessage | translate: {id: item.handle} }}</h1>
             <p>{{descriptionMessage | translate}}</p>
             <ds-modify-item-overview [item]="item"></ds-modify-item-overview>
           <div class="space-children-mr">
diff --git a/src/app/item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.spec.ts b/src/app/item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.spec.ts
index 9a19837665..b7d6478726 100644
--- a/src/app/item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.spec.ts
+++ b/src/app/item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.spec.ts
@@ -111,7 +111,7 @@ describe('AbstractSimpleItemActionComponent', () => {
   });
 
   it('should render a page with messages based on the provided messageKey', () => {
-    const header = fixture.debugElement.query(By.css('h2')).nativeElement;
+    const header = fixture.debugElement.query(By.css('h1')).nativeElement;
     expect(header.innerHTML).toContain('item.edit.myEditAction.header');
 
     const description = fixture.debugElement.query(By.css('p')).nativeElement;
diff --git a/src/app/item-page/orcid-page/orcid-auth/orcid-auth.component.html b/src/app/item-page/orcid-page/orcid-auth/orcid-auth.component.html
index e57ce33008..fdc966bd3b 100644
--- a/src/app/item-page/orcid-page/orcid-auth/orcid-auth.component.html
+++ b/src/app/item-page/orcid-page/orcid-auth/orcid-auth.component.html
@@ -1,5 +1,5 @@
 <div class="container mb-5">
-  <h2>{{'person.orcid.registry.auth' | translate}}</h2>
+  <h1>{{'person.orcid.registry.auth' | translate}}</h1>
   <ng-container *ngIf="(isLinkedToOrcid() | async); then orcidLinked; else orcidNotLinked"></ng-container>
 </div>
 
diff --git a/src/app/item-page/orcid-page/orcid-page.component.html b/src/app/item-page/orcid-page/orcid-page.component.html
index 33c3125d67..6c30fbe111 100644
--- a/src/app/item-page/orcid-page/orcid-page.component.html
+++ b/src/app/item-page/orcid-page/orcid-page.component.html
@@ -1,13 +1,3 @@
-<div *ngIf="!(processingConnection | async) && (item | async)" class="container">
-  <div class="button-row bottom mb-3">
-    <div class="text-right">
-      <a [routerLink]="getItemPage()" role="button" class="btn btn-outline-secondary" data-test="back-button">
-        <i class="fas fa-arrow-left"></i> {{'item.orcid.return' | translate}}
-      </a>
-    </div>
-  </div>
-</div>
-
 <ds-loading *ngIf="(processingConnection | async)" [message]="'person.page.orcid.link.processing' | translate"></ds-loading>
 <div class="container" *ngIf="!(processingConnection | async) && !(connectionStatus | async)" data-test="error-box">
   <ds-alert [type]="'alert-danger'">{{'person.page.orcid.link.error.message' | translate}}</ds-alert>
@@ -17,3 +7,13 @@
   <ds-orcid-sync-setting *ngIf="isLinkedToOrcid()" [item]="(item | async)" (settingsUpdated)="updateItem()" data-test="orcid-sync-setting"></ds-orcid-sync-setting>
   <ds-orcid-queue *ngIf="isLinkedToOrcid()" [item]="(item | async)"></ds-orcid-queue>
 </ng-container>
+
+<div *ngIf="!(processingConnection | async) && (item | async)" class="container">
+  <div class="button-row bottom mb-3">
+    <div class="text-right">
+      <a [routerLink]="getItemPage()" role="button" class="btn btn-outline-secondary" data-test="back-button">
+        <i class="fas fa-arrow-left"></i> {{'item.orcid.return' | translate}}
+      </a>
+    </div>
+  </div>
+</div>
diff --git a/src/app/process-page/detail/process-detail-field/process-detail-field.component.html b/src/app/process-page/detail/process-detail-field/process-detail-field.component.html
index ce26008c28..2558b6cf7a 100644
--- a/src/app/process-page/detail/process-detail-field/process-detail-field.component.html
+++ b/src/app/process-page/detail/process-detail-field/process-detail-field.component.html
@@ -1,2 +1,2 @@
-<h4 class="mt-4">{{title | translate}}</h4>
+<h2 class="h3 mt-4">{{title | translate}}</h2>
 <ng-content></ng-content>
diff --git a/src/app/process-page/detail/process-detail.component.html b/src/app/process-page/detail/process-detail.component.html
index c52ef3827d..4daee064df 100644
--- a/src/app/process-page/detail/process-detail.component.html
+++ b/src/app/process-page/detail/process-detail.component.html
@@ -1,9 +1,9 @@
 <div class="container" *ngIf="(processRD$ | async)?.payload as process">
     <div class="row">
       <div class="col-10">
-        <h2 class="flex-grow-1">
+        <h1 class="flex-grow-1">
           {{ 'process.detail.title' | translate:{ id: process?.processId, name: process?.scriptName } }}
-        </h2>
+        </h1>
       </div>
       <div *ngIf="refreshCounter$ | async as seconds" class="col-2 refresh-counter">
         Refreshing in {{ seconds }}s <i class="fas fa-sync-alt fa-spin"></i>
diff --git a/src/app/process-page/form/process-form.component.html b/src/app/process-page/form/process-form.component.html
index c55592f3e7..211129489e 100644
--- a/src/app/process-page/form/process-form.component.html
+++ b/src/app/process-page/form/process-form.component.html
@@ -1,8 +1,8 @@
 <div class="container">
     <div class="row">
-        <h2 class="col-12">
+        <h1 class="col-12">
             {{headerKey | translate}}
-        </h2>
+        </h1>
         <div class="col-12 col-md-6 mb-2">
             <form #form="ngForm" (ngSubmit)="submitForm(form)">
                 <ds-scripts-select [script]="selectedScript" (select)="selectedScript = $event; parameters = undefined"></ds-scripts-select>
@@ -12,7 +12,7 @@
             </form>
         </div>
         <div class="col-12 col-md-6">
-            <ds-script-help [script]="selectedScript"></ds-script-help>
+            <ds-script-help *ngIf="selectedScript" [script]="selectedScript"></ds-script-help>
         </div>
     </div>
 
diff --git a/src/app/process-page/form/script-help/script-help.component.html b/src/app/process-page/form/script-help/script-help.component.html
index f52ae4b6b9..7615edcfd4 100644
--- a/src/app/process-page/form/script-help/script-help.component.html
+++ b/src/app/process-page/form/script-help/script-help.component.html
@@ -1,5 +1,5 @@
 <div class="text-secondary">
-  <h3>{{script?.name}}</h3>
+  <h2>{{script?.name}}</h2>
   <span>{{script?.description}}</span>
 
   <table class="table-borderless mt-3">
diff --git a/src/app/process-page/overview/process-overview.component.html b/src/app/process-page/overview/process-overview.component.html
index dcad265490..3f0e1e841f 100644
--- a/src/app/process-page/overview/process-overview.component.html
+++ b/src/app/process-page/overview/process-overview.component.html
@@ -1,6 +1,6 @@
 <div class="container">
     <div class="d-flex">
-        <h2 class="flex-grow-1">{{'process.overview.title' | translate}}</h2>
+        <h1 class="flex-grow-1">{{'process.overview.title' | translate}}</h1>
     </div>
     <div class="d-flex justify-content-end">
         <button *ngIf="processBulkDeleteService.hasSelected()" class="btn btn-primary mr-2"
diff --git a/src/app/profile-page/profile-page.component.html b/src/app/profile-page/profile-page.component.html
index 44783da84e..187096b391 100644
--- a/src/app/profile-page/profile-page.component.html
+++ b/src/app/profile-page/profile-page.component.html
@@ -1,7 +1,7 @@
 <ng-container *ngVar="(user$ | async) as user">
   <div class="container" *ngIf="user">
     <ng-container *ngIf="isResearcherProfileEnabled() | async">
-      <h3 class="mb-4">{{'profile.head' | translate}}</h3>
+      <h2 class="mb-4">{{'profile.head' | translate}}</h2>
       <div class="card mb-4">
         <div class="card-header">{{'profile.card.researcher' | translate}}</div>
         <div class="card-body">
@@ -34,7 +34,7 @@
 
     <ng-container *ngVar="(groupsRD$ | async)?.payload?.page as groups">
       <div *ngIf="groups?.length > 0">
-        <h3 class="mt-4">{{'profile.groups.head' | translate}}</h3>
+        <h2 class="mt-4">{{'profile.groups.head' | translate}}</h2>
         <ul class="list-group list-group-flush">
           <li *ngFor="let group of groups" class="list-group-item">{{ dsoNameService.getName(group) }}</li>
         </ul>
@@ -43,7 +43,7 @@
 
     <ng-container *ngVar="(specialGroupsRD$ | async)?.payload?.page as specialGroups">
       <div *ngIf="specialGroups?.length > 0" data-test="specialGroups">
-        <h3 class="mt-4">{{'profile.special.groups.head' | translate}}</h3>
+        <h2 class="mt-4">{{'profile.special.groups.head' | translate}}</h2>
         <ul class="list-group list-group-flush">
           <li *ngFor="let specialGroup of specialGroups" class="list-group-item">
             {{ dsoNameService.getName(specialGroup) }}
diff --git a/src/app/register-email-form/register-email-form.component.html b/src/app/register-email-form/register-email-form.component.html
index ed79b1d2d1..d4cf75b563 100644
--- a/src/app/register-email-form/register-email-form.component.html
+++ b/src/app/register-email-form/register-email-form.component.html
@@ -1,5 +1,5 @@
 <div class="container">
-    <h2>{{MESSAGE_PREFIX + '.header'|translate}}</h2>
+    <h1>{{MESSAGE_PREFIX + '.header'|translate}}</h1>
     <p>{{MESSAGE_PREFIX + '.info' | translate}}</p>
 
     <p *ngIf="validMailDomains.length != 0 && typeRequest === TYPE_REQUEST_REGISTER">
diff --git a/src/app/shared/access-control-form-container/access-control-form-container.component.html b/src/app/shared/access-control-form-container/access-control-form-container.component.html
index 263bf60ac7..23c62abc6c 100644
--- a/src/app/shared/access-control-form-container/access-control-form-container.component.html
+++ b/src/app/shared/access-control-form-container/access-control-form-container.component.html
@@ -13,9 +13,9 @@
 
           <div>
             <div class="d-flex align-items-center">
-              <h4 class="mb-0 mr-4">
+              <h2 class="h3 mb-0 mr-4">
                 {{ 'access-control-item-header-toggle' | translate }}
-              </h4>
+              </h2>
               <ui-switch
                 [ariaLabel]="(state.bitstream.toggleStatus ? 'access-control-item-toggle.disable' : 'access-control-item-toggle.enable') | translate"
                 [(ngModel)]="state.item.toggleStatus"
@@ -51,7 +51,7 @@
           </div>
 
           <div>
-            <h5 class="mt-3">{{'access-control-access-conditions' | translate}}</h5>
+            <h3 class="h4 mt-3">{{'access-control-access-conditions' | translate}}</h3>
 
             <ds-access-control-array-form
               #itemAccessCmp
@@ -67,9 +67,9 @@
 
           <div>
             <div class="d-flex align-items-center">
-              <h4 class="mb-0 mr-4">
+              <h2 class="h3 mb-0 mr-4">
                 {{'access-control-bitstream-header-toggle' | translate}}
-              </h4>
+              </h2>
               <ui-switch
                 [ariaLabel]="(state.bitstream.toggleStatus ? 'access-control-bitstream-toggle.disable' : 'access-control-bitstream-toggle.enable') | translate"
                 [(ngModel)]="state.bitstream.toggleStatus"
@@ -142,7 +142,7 @@
           </div>
 
           <div>
-            <h5 class="mt-3">{{'access-control-access-conditions' | translate}}</h5>
+            <h3 class="h4 mt-3">{{'access-control-access-conditions' | translate}}</h3>
 
             <ds-access-control-array-form
               #bitstreamAccessCmp
diff --git a/src/app/shared/browse-by/browse-by.component.html b/src/app/shared/browse-by/browse-by.component.html
index d6a0005173..37799e805f 100644
--- a/src/app/shared/browse-by/browse-by.component.html
+++ b/src/app/shared/browse-by/browse-by.component.html
@@ -1,5 +1,5 @@
 <ng-container *ngVar="(objects$ | async) as objects">
-  <h3 [ngClass]="{'sr-only': parentname }">{{title | translate}}</h3>
+  <h1 [ngClass]="{'sr-only': parentname }">{{title | translate}}</h1>
   <ng-container *ngComponentOutlet="getStartsWithComponent(); injector: objectInjector;"></ng-container>
   <div *ngIf="objects?.hasSucceeded && !objects?.isLoading && objects?.payload?.page.length > 0" @fadeIn>
       <div *ngIf="shouldDisplayResetButton$ |async" class="mb-2 reset">
diff --git a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
index 1e1f3d8209..b6d598d562 100644
--- a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
+++ b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
@@ -3,9 +3,9 @@
   <div class="card-body d-flex flex-column"
        *ngVar="group$ | async as group">
 
-    <h5 class="w-100">
+    <h2 class="h4 w-100">
       {{ roleName$ | async }}
-    </h5>
+    </h2>
 
     <div class="mt-2 mb-2">
       <ds-alert [type]="'alert-info'" >{{'comcol-role.edit.' + (comcolRole$ | async)?.name + '.description' | translate}}</ds-alert>
diff --git a/src/app/shared/comcol/comcol-forms/edit-comcol-page/edit-comcol-page.component.html b/src/app/shared/comcol/comcol-forms/edit-comcol-page/edit-comcol-page.component.html
index 819d080f89..c397966fba 100644
--- a/src/app/shared/comcol/comcol-forms/edit-comcol-page/edit-comcol-page.component.html
+++ b/src/app/shared/comcol/comcol-forms/edit-comcol-page/edit-comcol-page.component.html
@@ -2,8 +2,8 @@
   <div class="row">
     <div class="col-12">
       <div class="d-flex justify-content-between border-bottom">
-        <h2>{{ type + '.edit.head' | translate }}</h2>
-        <div>
+        <h1>{{ type + '.edit.head' | translate }}</h1>
+        <div class="my-auto">
           <a class="btn btn-danger"
              [routerLink]="((type === 'community') ? '/communities/' : '/collections/') + (dsoRD$ | async)?.payload.uuid + '/delete'">
             <i class="fas fa-trash"></i> {{type + '.edit.delete' | translate}}</a>
diff --git a/src/app/shared/comcol/comcol-page-handle/comcol-page-handle.component.html b/src/app/shared/comcol/comcol-page-handle/comcol-page-handle.component.html
index 552854a0c0..01a71ab142 100644
--- a/src/app/shared/comcol/comcol-page-handle/comcol-page-handle.component.html
+++ b/src/app/shared/comcol/comcol-page-handle/comcol-page-handle.component.html
@@ -1,4 +1,4 @@
-<div *ngIf="content" class="content-with-optional-title mb-2">
-    <h2 class="d-inline-block h6" *ngIf="title">{{ title | translate }}</h2>
-    <div class="d-inline-block px-2"><a href="{{getHandle()}}">{{getHandle()}}</a></div>
-</div>
+<p *ngIf="content" class="d-flex flex-wrap gapx-2 text-break">
+  <span class="mb-0" *ngIf="title">{{ title | translate }}</span>
+  <a [href]="getHandle()">{{getHandle()}}</a>
+</p>
diff --git a/src/app/shared/comcol/comcol-page-handle/comcol-page-handle.component.scss b/src/app/shared/comcol/comcol-page-handle/comcol-page-handle.component.scss
index 5d7bac26c7..e69de29bb2 100644
--- a/src/app/shared/comcol/comcol-page-handle/comcol-page-handle.component.scss
+++ b/src/app/shared/comcol/comcol-page-handle/comcol-page-handle.component.scss
@@ -1,5 +0,0 @@
-div {
-  word-break: break-word;
-  word-wrap: break-word;
-  overflow-wrap: break-word;
-}
diff --git a/src/app/shared/resource-policies/edit/resource-policy-edit.component.html b/src/app/shared/resource-policies/edit/resource-policy-edit.component.html
index 0f285c4948..a820fa481a 100644
--- a/src/app/shared/resource-policies/edit/resource-policy-edit.component.html
+++ b/src/app/shared/resource-policies/edit/resource-policy-edit.component.html
@@ -1,5 +1,5 @@
 <div class="container">
-  <h4 class="mb-3">{{'resource-policies.edit.page.heading' | translate}} {{resourcePolicy.id}}</h4>
+  <h1 class="mb-3">{{'resource-policies.edit.page.heading' | translate}} {{resourcePolicy.id}}</h1>
 
   <ds-resource-policy-form [resourcePolicy]="resourcePolicy"
                            [isProcessing]="isProcessing()"
diff --git a/src/app/shared/search/search-switch-configuration/search-switch-configuration.component.html b/src/app/shared/search/search-switch-configuration/search-switch-configuration.component.html
index f63bf9fa84..64c0cd5008 100644
--- a/src/app/shared/search/search-switch-configuration/search-switch-configuration.component.html
+++ b/src/app/shared/search/search-switch-configuration/search-switch-configuration.component.html
@@ -1,5 +1,5 @@
 <div *ngIf="configurationList?.length > 1" class="search-switch-configuration">
-  <h5 id="configuration-switch">{{ 'search.switch-configuration.title' | translate}}</h5>
+  <h3 id="configuration-switch">{{ 'search.switch-configuration.title' | translate}}</h3>
 
   <select class="form-control"
           aria-labelledby="configuration-switch"
diff --git a/src/app/statistics-page/statistics-page/statistics-page.component.html b/src/app/statistics-page/statistics-page/statistics-page.component.html
index c6938c7582..047bf52e7c 100644
--- a/src/app/statistics-page/statistics-page/statistics-page.component.html
+++ b/src/app/statistics-page/statistics-page/statistics-page.component.html
@@ -1,11 +1,11 @@
 <div class="container">
 
   <ng-container *ngVar="(scope$ | async) as scope">
-    <h2 *ngIf="scope"
+    <h1 *ngIf="scope"
         class="header"
         id="{{ scope.id }}">
       {{ 'statistics.header' | translate: { scope: getName(scope) } }}
-    </h2>
+    </h1>
   </ng-container>
 
   <ng-container *ngVar="reports$ | async as reports">
diff --git a/src/app/statistics-page/statistics-table/statistics-table.component.html b/src/app/statistics-page/statistics-table/statistics-table.component.html
index 5a333b9658..efa9ce43d9 100644
--- a/src/app/statistics-page/statistics-table/statistics-table.component.html
+++ b/src/app/statistics-page/statistics-table/statistics-table.component.html
@@ -1,9 +1,9 @@
 <div *ngIf="hasData"
      class="m-1">
 
-  <h3 class="m-1">
+  <h2 class="m-1">
     {{ 'statistics.table.title.' + report.reportType | translate }}
-  </h3>
+  </h2>
 
   <table class="table table-striped" [attr.data-test]="report.reportType">
 
diff --git a/src/app/submission/import-external/submission-import-external.component.html b/src/app/submission/import-external/submission-import-external.component.html
index dc46e6758f..8d13b1785a 100644
--- a/src/app/submission/import-external/submission-import-external.component.html
+++ b/src/app/submission/import-external/submission-import-external.component.html
@@ -1,7 +1,7 @@
 <div class="container">
   <div class="row">
     <div class="col-md-12">
-      <h2 id="header" class="pb-2">{{'submission.import-external.title' + ((label) ? '.' + label : '') | translate}}</h2>
+      <h1 id="header" class="pb-2">{{'submission.import-external.title' + ((label) ? '.' + label : '') | translate}}</h1>
       <ds-submission-import-external-searchbar
         [initExternalSourceData]="reload$.value"
         (externalSourceData) = "getExternalSourceData($event)">
@@ -11,7 +11,7 @@
   <div class="row" *ngIf="reload$.value.entity">
     <div *ngIf="reload$.value.sourceId !== ''" class="col-md-12">
       <ng-container *ngVar="(entriesRD$ | async) as entriesRD">
-        <h3 *ngIf="entriesRD && entriesRD?.payload?.page?.length !== 0">{{ 'submission.sections.describe.relationship-lookup.selection-tab.title' | translate}}</h3>
+        <h2 *ngIf="entriesRD && entriesRD?.payload?.page?.length !== 0">{{ 'submission.sections.describe.relationship-lookup.selection-tab.title' | translate}}</h2>
         <ds-viewable-collection *ngIf="entriesRD?.hasSucceeded && !(isLoading$ | async) && entriesRD?.payload?.page?.length > 0" @fadeIn
                                 [objects]="entriesRD"
                                 [selectionConfig]="{ repeatable: repeatable, listId: listId }"
@@ -25,15 +25,15 @@
         <ds-themed-loading *ngIf="(isLoading$ | async)"
                     message="{{'loading.search-results' | translate}}"></ds-themed-loading>
         <div *ngIf="!(isLoading$ | async) && entriesRD?.payload?.page?.length === 0" data-test="empty-external-entry-list">
-          <ds-alert [type]="'alert-info'">{{ 'search.results.empty' | translate }}</ds-alert>
+          <ds-alert [type]="AlertType.Info">{{ 'search.results.empty' | translate }}</ds-alert>
         </div>
         <div *ngIf="!(isLoading$ | async) && entriesRD.statusCode === 500" data-test="empty-external-error-500">
-          <ds-alert [type]="'alert-info'">{{ 'search.results.response.500' | translate }}</ds-alert>
+          <ds-alert [type]="AlertType.Info">{{ 'search.results.response.500' | translate }}</ds-alert>
         </div>
       </ng-container>
     </div>
     <div *ngIf="reload$.value.sourceId === ''" class="col-md-12">
-      <ds-alert [type]="'alert-info'">
+      <ds-alert [type]="AlertType.Info">
         <p class="lead mb-0">{{'submission.import-external.page.hint' | translate}}</p>
       </ds-alert>
     </div>
diff --git a/src/app/submission/import-external/submission-import-external.component.ts b/src/app/submission/import-external/submission-import-external.component.ts
index 25b1d5d1aa..b4aacd4e63 100644
--- a/src/app/submission/import-external/submission-import-external.component.ts
+++ b/src/app/submission/import-external/submission-import-external.component.ts
@@ -23,6 +23,7 @@ import { PageInfo } from '../../core/shared/page-info.model';
 import { hasValue, isNotEmpty } from '../../shared/empty.util';
 import { getFinishedRemoteData } from '../../core/shared/operators';
 import { NONE_ENTITY_TYPE } from '../../core/shared/item-relationships/item-type.resource-type';
+import { AlertType } from 'src/app/shared/alert/alert-type';
 
 /**
  * This component allows to submit a new workspaceitem importing the data from an external source.
@@ -92,6 +93,8 @@ export class SubmissionImportExternalComponent implements OnInit, OnDestroy {
 
   private retrieveExternalSourcesSub: Subscription;
 
+  public readonly AlertType = AlertType;
+
   /**
    * Initialize the component variables.
    * @param {SearchConfigurationService} searchConfigService
diff --git a/src/app/subscriptions-page/subscriptions-page.component.html b/src/app/subscriptions-page/subscriptions-page.component.html
index ed31e16759..4d204df93c 100644
--- a/src/app/subscriptions-page/subscriptions-page.component.html
+++ b/src/app/subscriptions-page/subscriptions-page.component.html
@@ -1,7 +1,7 @@
 <div class="container">
   <div class="row">
     <div class="col-md-12 m-40">
-      <h2>{{'subscriptions.title' | translate}}</h2>
+      <h1>{{'subscriptions.title' | translate}}</h1>
       <div class="row">
         <div class="col-md-12 m-40">
           <ds-themed-loading *ngIf="loading$ | async"></ds-themed-loading>
@@ -34,7 +34,7 @@
               </div>
             </ds-pagination>
 
-            <ds-alert *ngIf="subscriptions?.pageInfo?.totalElements == 0 && !(loading$ | async)" [type]="'alert-info'" data-test="empty-alert">
+            <ds-alert *ngIf="subscriptions?.pageInfo?.totalElements == 0 && !(loading$ | async)" [type]="AlertType.Info" data-test="empty-alert">
               {{ 'subscriptions.table.empty.message' | translate }}
             </ds-alert>
 
diff --git a/src/app/subscriptions-page/subscriptions-page.component.ts b/src/app/subscriptions-page/subscriptions-page.component.ts
index 05c587ba12..35278d5dc2 100644
--- a/src/app/subscriptions-page/subscriptions-page.component.ts
+++ b/src/app/subscriptions-page/subscriptions-page.component.ts
@@ -14,6 +14,7 @@ import { EPerson } from '../core/eperson/models/eperson.model';
 import { getAllCompletedRemoteData } from '../core/shared/operators';
 import { RemoteData } from '../core/data/remote-data';
 import { hasValue } from '../shared/empty.util';
+import { AlertType } from '../shared/alert/alert-type';
 
 @Component({
   selector: 'ds-subscriptions-page',
@@ -54,6 +55,8 @@ export class SubscriptionsPageComponent implements OnInit, OnDestroy {
    */
   sub: rxjsSubscription = null;
 
+  readonly AlertType = AlertType;
+
   constructor(
     private paginationService: PaginationService,
     private authService: AuthService,
diff --git a/src/app/system-wide-alert/alert-form/system-wide-alert-form.component.html b/src/app/system-wide-alert/alert-form/system-wide-alert-form.component.html
index d1de00bea6..95c7a69448 100644
--- a/src/app/system-wide-alert/alert-form/system-wide-alert-form.component.html
+++ b/src/app/system-wide-alert/alert-form/system-wide-alert-form.component.html
@@ -1,5 +1,5 @@
 <div class="container">
-    <h2 id="header">{{'system-wide-alert.form.header' | translate}}</h2>
+    <h1 id="header">{{'system-wide-alert.form.header' | translate}}</h1>
     <div [formGroup]="alertForm" [class]="'ng-invalid'">
         <div class="form-group">
             <div class="row mb-2">
diff --git a/src/assets/i18n/en.json5 b/src/assets/i18n/en.json5
index 432a0b33b4..12312612dd 100644
--- a/src/assets/i18n/en.json5
+++ b/src/assets/i18n/en.json5
@@ -864,6 +864,8 @@
 
   "browse.startsWith.input": "Filter",
 
+  "browse.taxonomy_srsc.title": "Browsing by Subject Category",
+
   "browse.taxonomy.button": "Browse",
 
   "browse.title": "Browsing {{ collection }} by {{ field }}{{ startsWith }} {{ value }}",
diff --git a/src/styles/_bootstrap_variables.scss b/src/styles/_bootstrap_variables.scss
index 5dfc03fbd3..69b288905a 100644
--- a/src/styles/_bootstrap_variables.scss
+++ b/src/styles/_bootstrap_variables.scss
@@ -12,6 +12,14 @@ $fa-font-path: "^assets/fonts" !default;
 /* Images */
 $image-path: "../assets/images" !default;
 
+$font-size-base: 1rem !default; // Assumes the browser default, typically `16px`
+$h1-font-size: $font-size-base * 2.125 !default;
+$h2-font-size: $font-size-base * 1.75 !default;
+$h3-font-size: $font-size-base * 1.5 !default;
+$h4-font-size: $font-size-base * 1.25 !default;
+$h5-font-size: $font-size-base * 1.125 !default;
+$h6-font-size: $font-size-base !default;
+
 // enable-responsive-font-sizes allows text to scale more naturally across device and viewport sizes
 $enable-responsive-font-sizes: true;