diff --git a/client/src/app/+admin/follows/followers-list/followers-list.component.html b/client/src/app/+admin/follows/followers-list/followers-list.component.html
index 806a4b49e..f9ae8947e 100644
--- a/client/src/app/+admin/follows/followers-list/followers-list.component.html
+++ b/client/src/app/+admin/follows/followers-list/followers-list.component.html
@@ -28,14 +28,14 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px">
+      <th scope="col" style="width: 40px">
         <p-tableHeaderCheckbox ariaLabel="Select all rows" i18n-ariaLabel></p-tableHeaderCheckbox>
       </th>
-      <th style="width: 150px;" i18n>Actions</th>
-      <th i18n>Follower</th>
-      <th style="width: 100px;" i18n pSortableColumn="state">State <p-sortIcon field="state"></p-sortIcon></th>
-      <th style="width: 100px;" i18n pSortableColumn="score">Score <p-sortIcon field="score"></p-sortIcon></th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" style="width: 150px;" i18n>Actions</th>
+      <th scope="col" i18n>Follower</th>
+      <th scope="col" style="width: 100px;" i18n pSortableColumn="state">State <p-sortIcon field="state"></p-sortIcon></th>
+      <th scope="col" style="width: 100px;" i18n pSortableColumn="score">Score <p-sortIcon field="score"></p-sortIcon></th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/follows/following-list/following-list.component.html b/client/src/app/+admin/follows/following-list/following-list.component.html
index 0220f9726..9404ba348 100644
--- a/client/src/app/+admin/follows/following-list/following-list.component.html
+++ b/client/src/app/+admin/follows/following-list/following-list.component.html
@@ -33,14 +33,14 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px">
+      <th scope="col" style="width: 40px">
         <p-tableHeaderCheckbox ariaLabel="Select all rows" i18n-ariaLabel></p-tableHeaderCheckbox>
       </th>
-      <th style="width: 150px;" i18n>Action</th>
-      <th i18n>Following</th>
-      <th style="width: 100px;" i18n pSortableColumn="state">State <p-sortIcon field="state"></p-sortIcon></th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
-      <th style="width: 160px;" i18n pSortableColumn="redundancyAllowed">Redundancy allowed <p-sortIcon field="redundancyAllowed"></p-sortIcon></th>
+      <th scope="col" style="width: 150px;" i18n>Action</th>
+      <th scope="col" i18n>Following</th>
+      <th scope="col" style="width: 100px;" i18n pSortableColumn="state">State <p-sortIcon field="state"></p-sortIcon></th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" style="width: 160px;" i18n pSortableColumn="redundancyAllowed">Redundancy allowed <p-sortIcon field="redundancyAllowed"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/follows/video-redundancies-list/video-redundancies-list.component.html b/client/src/app/+admin/follows/video-redundancies-list/video-redundancies-list.component.html
index 4d2ee181c..4af42360c 100644
--- a/client/src/app/+admin/follows/video-redundancies-list/video-redundancies-list.component.html
+++ b/client/src/app/+admin/follows/video-redundancies-list/video-redundancies-list.component.html
@@ -24,13 +24,13 @@
 >
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 150px;" i18n>Action</th>
-      <th style="width: 160px;" i18n *ngIf="isDisplayingRemoteVideos()">Strategy</th>
-      <th i18n pSortableColumn="name">Video <p-sortIcon field="name"></p-sortIcon></th >
-      <th style="width: 100px;" i18n *ngIf="isDisplayingRemoteVideos()">Total size</th>
+      <th scope="col" style="width: 150px;" i18n>Action</th>
+      <th scope="col" style="width: 160px;" i18n *ngIf="isDisplayingRemoteVideos()">Strategy</th>
+      <th scope="col" i18n pSortableColumn="name">Video <p-sortIcon field="name"></p-sortIcon></th >
+      <th scope="col" style="width: 100px;" i18n *ngIf="isDisplayingRemoteVideos()">Total size</th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/moderation/registration-list/registration-list.component.html b/client/src/app/+admin/moderation/registration-list/registration-list.component.html
index 7b2bcbafd..7bca6341e 100644
--- a/client/src/app/+admin/moderation/registration-list/registration-list.component.html
+++ b/client/src/app/+admin/moderation/registration-list/registration-list.component.html
@@ -28,22 +28,22 @@
 
   <ng-template pTemplate="header">
     <tr> <!-- header -->
-      <th style="width: 40px">
+      <th scope="col" style="width: 40px">
         <p-tableHeaderCheckbox ariaLabel="Select all rows" i18n-ariaLabel></p-tableHeaderCheckbox>
       </th>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 150px;">
+      <th scope="col" style="width: 150px;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th i18n>Account</th>
-      <th i18n>Email</th>
-      <th i18n>Channel</th>
-      <th i18n>Registration reason</th>
-      <th i18n pSortableColumn="state" style="width: 80px;">State <p-sortIcon field="state"></p-sortIcon></th>
-      <th i18n>Moderation response</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Requested on <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" i18n>Account</th>
+      <th scope="col" i18n>Email</th>
+      <th scope="col" i18n>Channel</th>
+      <th scope="col" i18n>Registration reason</th>
+      <th scope="col" i18n pSortableColumn="state" style="width: 80px;">State <p-sortIcon field="state"></p-sortIcon></th>
+      <th scope="col" i18n>Moderation response</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Requested on <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/moderation/video-block-list/video-block-list.component.html b/client/src/app/+admin/moderation/video-block-list/video-block-list.component.html
index 03e096a6c..9b7d3c95a 100644
--- a/client/src/app/+admin/moderation/video-block-list/video-block-list.component.html
+++ b/client/src/app/+admin/moderation/video-block-list/video-block-list.component.html
@@ -20,16 +20,16 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 150px;">
+      <th scope="col" style="width: 150px;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th i18n pSortableColumn="name">Video <p-sortIcon field="name"></p-sortIcon></th>
-      <th style="width: 100px;" i18n>Sensitive</th>
-      <th style="width: 120px;" i18n>Unfederated</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Date <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" i18n pSortableColumn="name">Video <p-sortIcon field="name"></p-sortIcon></th>
+      <th scope="col" style="width: 100px;" i18n>Sensitive</th>
+      <th scope="col" style="width: 120px;" i18n>Unfederated</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Date <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/overview/comments/video-comment-list.component.html b/client/src/app/+admin/overview/comments/video-comment-list.component.html
index 5b1b0ea29..f53f161d2 100644
--- a/client/src/app/+admin/overview/comments/video-comment-list.component.html
+++ b/client/src/app/+admin/overview/comments/video-comment-list.component.html
@@ -34,19 +34,19 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <p-tableHeaderCheckbox ariaLabel="Select all rows" i18n-ariaLabel></p-tableHeaderCheckbox>
       </th>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 150px;">
+      <th scope="col" style="width: 150px;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th style="width: 300px;" i18n>Account</th>
-      <th style="width: 300px;" i18n>Video</th>
-      <th i18n>Comment</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Date <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" style="width: 300px;" i18n>Account</th>
+      <th scope="col" style="width: 300px;" i18n>Video</th>
+      <th scope="col" i18n>Comment</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Date <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/overview/users/user-list/user-list.component.html b/client/src/app/+admin/overview/users/user-list/user-list.component.html
index 6ac727d5d..f8fa15c6f 100644
--- a/client/src/app/+admin/overview/users/user-list/user-list.component.html
+++ b/client/src/app/+admin/overview/users/user-list/user-list.component.html
@@ -33,13 +33,13 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px">
+      <th scope="col" style="width: 40px">
         <p-tableHeaderCheckbox ariaLabel="Select all rows" i18n-ariaLabel></p-tableHeaderCheckbox>
       </th>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 70px;">
+      <th scope="col" style="width: 70px;">
         <div class="c-hand column-toggle" ngbDropdown placement="bottom-left auto" container="body" autoClose="outside">
           <my-global-icon iconName="columns" ngbDropdownToggle></my-global-icon>
 
@@ -61,14 +61,14 @@
           </div>
         </div>
       </th>
-      <th *ngIf="isSelected('username')" pResizableColumn  pSortableColumn="username">{{ getColumn('username').label }} <p-sortIcon field="username"></p-sortIcon></th>
-      <th *ngIf="isSelected('role')" style="width: 120px;"  pSortableColumn="role">{{ getColumn('role').label }} <p-sortIcon field="role"></p-sortIcon></th>
-      <th *ngIf="isSelected('email')">{{ getColumn('email').label }}</th>
-      <th *ngIf="isSelected('quota')" style="width: 160px;"  pSortableColumn="videoQuotaUsed">{{ getColumn('quota').label }} <p-sortIcon field="videoQuotaUsed"></p-sortIcon></th>
-      <th *ngIf="isSelected('quotaDaily')" style="width: 160px;">{{ getColumn('quotaDaily').label }}</th>
-      <th *ngIf="isSelected('pluginAuth')" style="width: 140px;" pResizableColumn >{{ getColumn('pluginAuth').label }}</th>
-      <th *ngIf="isSelected('createdAt')" style="width: 150px;"  pSortableColumn="createdAt">{{ getColumn('createdAt').label }} <p-sortIcon field="createdAt"></p-sortIcon></th>
-      <th *ngIf="isSelected('lastLoginDate')" style="width: 150px;"  pSortableColumn="lastLoginDate">{{ getColumn('lastLoginDate').label }} <p-sortIcon field="lastLoginDate"></p-sortIcon></th>
+      <th scope="col" *ngIf="isSelected('username')" pResizableColumn  pSortableColumn="username">{{ getColumn('username').label }} <p-sortIcon field="username"></p-sortIcon></th>
+      <th scope="col" *ngIf="isSelected('role')" style="width: 120px;"  pSortableColumn="role">{{ getColumn('role').label }} <p-sortIcon field="role"></p-sortIcon></th>
+      <th scope="col" *ngIf="isSelected('email')">{{ getColumn('email').label }}</th>
+      <th scope="col" *ngIf="isSelected('quota')" style="width: 160px;"  pSortableColumn="videoQuotaUsed">{{ getColumn('quota').label }} <p-sortIcon field="videoQuotaUsed"></p-sortIcon></th>
+      <th scope="col" *ngIf="isSelected('quotaDaily')" style="width: 160px;">{{ getColumn('quotaDaily').label }}</th>
+      <th scope="col" *ngIf="isSelected('pluginAuth')" style="width: 140px;" pResizableColumn >{{ getColumn('pluginAuth').label }}</th>
+      <th scope="col" *ngIf="isSelected('createdAt')" style="width: 150px;"  pSortableColumn="createdAt">{{ getColumn('createdAt').label }} <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" *ngIf="isSelected('lastLoginDate')" style="width: 150px;"  pSortableColumn="lastLoginDate">{{ getColumn('lastLoginDate').label }} <p-sortIcon field="lastLoginDate"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/overview/videos/video-list.component.html b/client/src/app/+admin/overview/videos/video-list.component.html
index 1cfcaef49..8dc0fa04c 100644
--- a/client/src/app/+admin/overview/videos/video-list.component.html
+++ b/client/src/app/+admin/overview/videos/video-list.component.html
@@ -31,19 +31,19 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px">
+      <th scope="col" style="width: 40px">
         <p-tableHeaderCheckbox ariaLabel="Select all rows" i18n-ariaLabel></p-tableHeaderCheckbox>
       </th>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 70px;">
+      <th scope="col" style="width: 70px;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th i18n>Video</th>
-      <th i18n>Info</th>
-      <th i18n>Files</th>
-      <th style="width: 150px;" i18n pSortableColumn="publishedAt">Published <p-sortIcon field="publishedAt"></p-sortIcon></th>
+      <th scope="col" i18n>Video</th>
+      <th scope="col" i18n>Info</th>
+      <th scope="col" i18n>Files</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="publishedAt">Published <p-sortIcon field="publishedAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/system/jobs/jobs.component.html b/client/src/app/+admin/system/jobs/jobs.component.html
index b567a2b2e..fae49538b 100644
--- a/client/src/app/+admin/system/jobs/jobs.component.html
+++ b/client/src/app/+admin/system/jobs/jobs.component.html
@@ -39,15 +39,15 @@
 >
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th class="job-id" i18n>ID</th>
-      <th style="width: 200px" class="job-type" i18n>Type</th>
-      <th style="width: 200px" class="job-priority" i18n>Priority <small>(1 = highest priority)</small></th>
-      <th style="width: 200px" class="job-state" i18n *ngIf="jobState === 'all'">State</th>
-      <th style="width: 100px" class="job-progress" i18n *ngIf="hasGlobalProgress()">Progress</th>
-      <th style="width: 150px" class="job-date" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" class="job-id" i18n>ID</th>
+      <th scope="col" style="width: 200px" class="job-type" i18n>Type</th>
+      <th scope="col" style="width: 200px" class="job-priority" i18n>Priority <small>(1 = highest priority)</small></th>
+      <th scope="col" style="width: 200px" class="job-state" i18n *ngIf="jobState === 'all'">State</th>
+      <th scope="col" style="width: 100px" class="job-progress" i18n *ngIf="hasGlobalProgress()">Progress</th>
+      <th scope="col" style="width: 150px" class="job-date" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/system/runners/runner-job-list/runner-job-list.component.html b/client/src/app/+admin/system/runners/runner-job-list/runner-job-list.component.html
index 16c520b15..5edec4c20 100644
--- a/client/src/app/+admin/system/runners/runner-job-list/runner-job-list.component.html
+++ b/client/src/app/+admin/system/runners/runner-job-list/runner-job-list.component.html
@@ -19,22 +19,22 @@
 >
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px">
+      <th scope="col" style="width: 40px">
         <p-tableHeaderCheckbox ariaLabel="Select all rows" i18n-ariaLabel></p-tableHeaderCheckbox>
       </th>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 120px;">
+      <th scope="col" style="width: 120px;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th i18n>UUID</th>
-      <th i18n>Type</th>
-      <th i18n pSortableColumn="state">State <p-sortIcon field="state"></p-sortIcon></th>
-      <th style="width: 100px" i18n pSortableColumn="priority">Priority <p-sortIcon field="priority"></p-sortIcon></th>
-      <th style="width: 100px" i18n pSortableColumn="progress">Progress <p-sortIcon field="progress"></p-sortIcon></th>
-      <th i18n>Runner</th>
-      <th style="width: 200px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" i18n>UUID</th>
+      <th scope="col" i18n>Type</th>
+      <th scope="col" i18n pSortableColumn="state">State <p-sortIcon field="state"></p-sortIcon></th>
+      <th scope="col" style="width: 100px" i18n pSortableColumn="priority">Priority <p-sortIcon field="priority"></p-sortIcon></th>
+      <th scope="col" style="width: 100px" i18n pSortableColumn="progress">Progress <p-sortIcon field="progress"></p-sortIcon></th>
+      <th scope="col" i18n>Runner</th>
+      <th scope="col" style="width: 200px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/system/runners/runner-list/runner-list.component.html b/client/src/app/+admin/system/runners/runner-list/runner-list.component.html
index b7a3467df..76bb79903 100644
--- a/client/src/app/+admin/system/runners/runner-list/runner-list.component.html
+++ b/client/src/app/+admin/system/runners/runner-list/runner-list.component.html
@@ -18,14 +18,14 @@
 >
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 120px;">
+      <th scope="col" style="width: 120px;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th i18n>Name</th>
-      <th i18n>Description</th>
-      <th i18n>IP</th>
-      <th i18n>Last contact</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" i18n>Name</th>
+      <th scope="col" i18n>Description</th>
+      <th scope="col" i18n>IP</th>
+      <th scope="col" i18n>Last contact</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+admin/system/runners/runner-registration-token-list/runner-registration-token-list.component.html b/client/src/app/+admin/system/runners/runner-registration-token-list/runner-registration-token-list.component.html
index 732ebee25..6a957b4ca 100644
--- a/client/src/app/+admin/system/runners/runner-registration-token-list/runner-registration-token-list.component.html
+++ b/client/src/app/+admin/system/runners/runner-registration-token-list/runner-registration-token-list.component.html
@@ -20,12 +20,12 @@
 >
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 120px;">
+      <th scope="col" style="width: 120px;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th i18n>Token</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
-      <th style="width: 160px;" i18n>Associated runners</th>
+      <th scope="col" i18n>Token</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" style="width: 160px;" i18n>Associated runners</th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+my-library/my-ownership/my-ownership.component.html b/client/src/app/+my-library/my-ownership/my-ownership.component.html
index 40bfdcdf1..6b95d7359 100644
--- a/client/src/app/+my-library/my-ownership/my-ownership.component.html
+++ b/client/src/app/+my-library/my-ownership/my-ownership.component.html
@@ -9,14 +9,14 @@
 >
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 150px;" i18n>Actions</th>
-      <th style="width: 35%;" i18n>Initiator</th>
-      <th style="width: 65%;" i18n>Video</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">
+      <th scope="col" style="width: 150px;" i18n>Actions</th>
+      <th scope="col" style="width: 35%;" i18n>Initiator</th>
+      <th scope="col" style="width: 65%;" i18n>Video</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">
         Created
         <p-sortIcon field="createdAt"></p-sortIcon>
       </th>
-      <th style="width: 100px;" i18n>Status</th>
+      <th scope="col" style="width: 100px;" i18n>Status</th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+my-library/my-video-channel-syncs/my-video-channel-syncs.component.html b/client/src/app/+my-library/my-video-channel-syncs/my-video-channel-syncs.component.html
index b8fd84f9e..98313154d 100644
--- a/client/src/app/+my-library/my-video-channel-syncs/my-video-channel-syncs.component.html
+++ b/client/src/app/+my-library/my-video-channel-syncs/my-video-channel-syncs.component.html
@@ -29,14 +29,14 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 10%;">
+      <th scope="col" style="width: 10%;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th style="width: 25%" i18n pSortableColumn="externalChannelUrl">External Channel <p-sortIcon field="externalChannelUrl"></p-sortIcon></th>
-      <th style="width: 25%" i18n pSortableColumn="videoChannel">Channel <p-sortIcon field="videoChannel"></p-sortIcon></th>
-      <th style="width: 10%" i18n pSortableColumn="state">State <p-sortIcon field="state"></p-sortIcon></th>
-      <th style="width: 10%" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
-      <th style="width: 10%" i18n pSortableColumn="lastSyncAt">Last synchronization at <p-sortIcon field="lastSyncAt"></p-sortIcon></th>
+      <th scope="col" style="width: 25%" i18n pSortableColumn="externalChannelUrl">External Channel <p-sortIcon field="externalChannelUrl"></p-sortIcon></th>
+      <th scope="col" style="width: 25%" i18n pSortableColumn="videoChannel">Channel <p-sortIcon field="videoChannel"></p-sortIcon></th>
+      <th scope="col" style="width: 10%" i18n pSortableColumn="state">State <p-sortIcon field="state"></p-sortIcon></th>
+      <th scope="col" style="width: 10%" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" style="width: 10%" i18n pSortableColumn="lastSyncAt">Last synchronization at <p-sortIcon field="lastSyncAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/+my-library/my-video-imports/my-video-imports.component.html b/client/src/app/+my-library/my-video-imports/my-video-imports.component.html
index f80a1aac8..4789926c0 100644
--- a/client/src/app/+my-library/my-video-imports/my-video-imports.component.html
+++ b/client/src/app/+my-library/my-video-imports/my-video-imports.component.html
@@ -22,14 +22,14 @@
 >
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 200px">Action</th>
-      <th style="width: 45%" i18n>Target</th>
-      <th style="width: 55%" i18n>Video</th>
-      <th style="width: 150px" i18n>State</th>
-      <th style="width: 150px" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" style="width: 200px">Action</th>
+      <th scope="col" style="width: 45%" i18n>Target</th>
+      <th scope="col" style="width: 55%" i18n>Video</th>
+      <th scope="col" style="width: 150px" i18n>State</th>
+      <th scope="col" style="width: 150px" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/shared/shared-abuse-list/abuse-list-table.component.html b/client/src/app/shared/shared-abuse-list/abuse-list-table.component.html
index 99ea64bcb..d525b9f86 100644
--- a/client/src/app/shared/shared-abuse-list/abuse-list-table.component.html
+++ b/client/src/app/shared/shared-abuse-list/abuse-list-table.component.html
@@ -14,18 +14,18 @@
 
   <ng-template pTemplate="header">
     <tr> <!-- header -->
-      <th style="width: 40px;">
+      <th scope="col" style="width: 40px;">
         <span i18n class="visually-hidden">More information</span>
       </th>
-      <th style="width: 150px;">
+      <th scope="col" style="width: 150px;">
         <span i18n class="visually-hidden">Actions</span>
       </th>
-      <th *ngIf="isAdminView()" style="width: 20%;" pResizableColumn i18n>Reporter</th>
-      <th i18n>Video/Comment/Account</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
-      <th i18n pSortableColumn="state" style="width: 80px;">State <p-sortIcon field="state"></p-sortIcon></th>
-      <th i18n style="width: 80px;">Messages</th>
-      <th i18n *ngIf="isAdminView()" style="width: 100px;">Internal note</th>
+      <th scope="col" *ngIf="isAdminView()" style="width: 20%;" pResizableColumn i18n>Reporter</th>
+      <th scope="col" i18n>Video/Comment/Account</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Created <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" i18n pSortableColumn="state" style="width: 80px;">State <p-sortIcon field="state"></p-sortIcon></th>
+      <th scope="col" i18n style="width: 80px;">Messages</th>
+      <th scope="col" i18n *ngIf="isAdminView()" style="width: 100px;">Internal note</th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/shared/shared-moderation/account-blocklist.component.html b/client/src/app/shared/shared-moderation/account-blocklist.component.html
index e6a28adc9..9b8635cbf 100644
--- a/client/src/app/shared/shared-moderation/account-blocklist.component.html
+++ b/client/src/app/shared/shared-moderation/account-blocklist.component.html
@@ -19,9 +19,9 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 150px;" i18n>Action</th> <!-- column for action buttons -->
-      <th i18n>Account</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Muted at <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" style="width: 150px;" i18n>Action</th> <!-- column for action buttons -->
+      <th scope="col" i18n>Account</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Muted at <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>
 
diff --git a/client/src/app/shared/shared-moderation/server-blocklist.component.html b/client/src/app/shared/shared-moderation/server-blocklist.component.html
index eeca04f4a..04839037d 100644
--- a/client/src/app/shared/shared-moderation/server-blocklist.component.html
+++ b/client/src/app/shared/shared-moderation/server-blocklist.component.html
@@ -27,9 +27,9 @@
 
   <ng-template pTemplate="header">
     <tr>
-      <th style="width: 150px;" i18n>Action</th> <!-- column for action buttons -->
-      <th i18n>Instance</th>
-      <th style="width: 150px;" i18n pSortableColumn="createdAt">Muted at <p-sortIcon field="createdAt"></p-sortIcon></th>
+      <th scope="col" style="width: 150px;" i18n>Action</th> <!-- column for action buttons -->
+      <th scope="col" i18n>Instance</th>
+      <th scope="col" style="width: 150px;" i18n pSortableColumn="createdAt">Muted at <p-sortIcon field="createdAt"></p-sortIcon></th>
     </tr>
   </ng-template>