diff -u b/modules/redirect_404/redirect_404.views.inc b/modules/redirect_404/redirect_404.views.inc
--- b/modules/redirect_404/redirect_404.views.inc
+++ b/modules/redirect_404/redirect_404.views.inc
@@ -29,12 +29,6 @@
     'filter' => [
       'id' => 'string',
     ],
-    'argument' => [
-      'id' => 'string',
-    ],
-    'sort' => [
-      'id' => 'standard',
-    ],
   ];
 
   $data['redirect_404']['langcode'] = [
@@ -43,16 +37,10 @@
     'field' => [
       'id' => 'redirect_404_langcode',
     ],
-    'argument' => [
-      'id' => 'string',
-    ],
     'filter' => [
       'id' => 'in_operator',
       'options callback' => '_redirect_404_get_langcodes',
     ],
-    'sort' => [
-      'id' => 'standard',
-    ],
   ];
 
   $data['redirect_404']['count'] = [
@@ -62,15 +50,9 @@
       'id' => 'numeric',
       'click sortable' => TRUE,
     ],
-    'argument' => [
-      'id' => 'numeric',
-    ],
     'filter' => [
       'id' => 'numeric',
     ],
-    'sort' => [
-      'id' => 'standard',
-    ],
   ];
 
   $data['redirect_404']['timestamp'] = [
@@ -80,15 +62,9 @@
       'id' => 'date',
       'click sortable' => TRUE,
     ],
-    'argument' => [
-      'id' => 'date',
-    ],
     'filter' => [
       'id' => 'date',
     ],
-    'sort' => [
-      'id' => 'date',
-    ],
   ];
 
   $data['redirect_404']['resolved'] = [
@@ -102,9 +78,6 @@
       'label' => t('Resolved'),
       'use_equal' => TRUE,
     ],
-    'sort' => [
-      'id' => 'standard',
-    ],
   ];
 
   $data['redirect_404']['add_redirect'] = [
diff -u b/modules/redirect_404/src/Tests/Fix404RedirectUILanguageTest.php b/modules/redirect_404/src/Tests/Fix404RedirectUILanguageTest.php
--- b/modules/redirect_404/src/Tests/Fix404RedirectUILanguageTest.php
+++ b/modules/redirect_404/src/Tests/Fix404RedirectUILanguageTest.php
@@ -81,6 +81,8 @@
     $this->drupalGet('admin/config/search/redirect/404');
     $this->assertText('testing');
     $this->assertText('French');
+    // Check the language view filter.
+    $this->assertOption('edit-langcode', 'fr');
     $this->clickLink(t('Add redirect'));
 
     // Check if we generate correct Add redirect url and if the form is
@@ -90,7 +92,7 @@
       'query' => [
         'source' => 'testing',
         'language' => 'fr',
-        'destination' => $destination,
+        'destination' => ltrim($destination, '/'),
       ]
     ];
     $this->assertUrl('admin/config/search/redirect/add', $edit);
@@ -135,12 +137,68 @@
     $this->assertUrl('admin/config/search/redirect/404');
     $this->assertText('No 404 pages without redirects found.');
 
+    // Check the redirect overview.
     $this->drupalGet('admin/config/search/redirect');
-    $this->assertText('testing');
     $this->assertText('German');
 
     // Check if the redirect works as expected.
     $this->assertRedirect('de/testing', 'de/node', 'HTTP/1.1 301 Moved Permanently');
+
+    // Visit multiple non existing pages to test the Redirect 404 View.
+    $this->drupalGet('testing');
+    $this->drupalGet('de/testing');
+    $this->drupalGet('admin/config/search/redirect/404');
+    $this->assertNoText('French');
+    $this->assertText('English');
+    $this->assertText('German');
+
+    // Check the Language view filter.
+    $this->assertNoOption('edit-langcode', 'fr');
+    $this->assertOption('edit-langcode', 'en');
+    $this->assertOption('edit-langcode', 'de');
+
+    // Test the Language view filter.
+    $this->drupalGet('admin/config/search/redirect/404', ['query' => ['langcode' => 'de']]);
+    $this->assertNoText('French');
+    $this->assertNoText('English');
+    $this->assertText('German');
+    $this->drupalGet('admin/config/search/redirect/404');
+    $this->assertNoText('French');
+    $this->assertText('English');
+    $this->assertText('German');
+    $this->drupalGet('admin/config/search/redirect/404', ['query' => ['langcode' => 'en']]);
+    $this->assertNoText('French');
+    $this->assertText('English');
+    $this->assertNoText('German');
+
+    // Assign a redirect to 'de/testing'.
+    $this->clickLink('Add redirect');
+    $edit = [
+      'query' => [
+        'source' => 'testing',
+        'language' => 'en',
+        'destination' => ltrim($destination, '/'),
+      ]
+    ];
+    $this->assertUrl('admin/config/search/redirect/add', $edit);
+    $this->assertFieldByName('redirect_source[0][path]', 'testing');
+    $this->assertOptionSelected('edit-language-0-value', 'en');
+
+    // Save the redirect.
+    $edit = ['redirect_redirect[0][uri]' => '/node'];
+    $this->drupalPostForm(NULL, $edit, t('Save'));
+    $this->assertUrl('admin/config/search/redirect/404');
+    $this->assertNoText('French');
+    $this->assertNoText('English');
+    $this->assertText('German');
+
+    // Check the redirect overview.
+    $this->drupalGet('admin/config/search/redirect');
+    $this->assertText('German');
+    $this->assertText('English');
+
+    // Check if the redirect works as expected.
+    $this->assertRedirect('en/testing', 'en/node', 'HTTP/1.1 301 Moved Permanently');
   }
 
 }
diff -u b/modules/redirect_404/src/Tests/Fix404RedirectUITest.php b/modules/redirect_404/src/Tests/Fix404RedirectUITest.php
--- b/modules/redirect_404/src/Tests/Fix404RedirectUITest.php
+++ b/modules/redirect_404/src/Tests/Fix404RedirectUITest.php
@@ -41,7 +41,7 @@
     'node',
     'path',
     'dblog',
-    'views',
+    //'views',
   ];
 
   /**
@@ -71,11 +71,11 @@
     $this->drupalLogin($this->adminUser);
 
     // Visit a non existing page to have the 404 redirect_error entry.
-    $this->drupalGet('non-existing');
+    $this->drupalGet('non-existing0');
 
     // Go to the "fix 404" page and check the listing.
     $this->drupalGet('admin/config/search/redirect/404');
-    $this->assertText('non-existing');
+    $this->assertText('non-existing0');
     $this->clickLink(t('Add redirect'));
 
     // Check if we generate correct Add redirect url and if the form is
@@ -83,13 +83,13 @@
     $destination = Url::fromUri('base:admin/config/search/redirect/404')->toString();
     $edit = [
       'query' => [
-        'source' => 'non-existing',
+        'source' => 'non-existing0',
         'language' => 'en',
-        'destination' => $destination,
+        'destination' => ltrim($destination, '/'),
       ]
     ];
     $this->assertUrl('admin/config/search/redirect/add', $edit);
-    $this->assertFieldByName('redirect_source[0][path]', 'non-existing');
+    $this->assertFieldByName('redirect_source[0][path]', 'non-existing0');
 
     // Save the redirect.
     $this->drupalPostForm(NULL, ['redirect_redirect[0][uri]' => '/node'], t('Save'));
@@ -97,12 +97,12 @@
     $this->assertText('No 404 pages without redirects found.');
 
     // Check if the redirect works as expected.
-    $this->drupalGet('non-existing');
+    $this->drupalGet('non-existing0');
     $this->assertUrl('node');
 
     // Test removing a redirect assignment and visit again a non existing page.
     $this->drupalGet('admin/config/search/redirect');
-    $this->assertText('non-existing');
+    $this->assertText('non-existing0');
     $this->clickLink('Delete', 0);
     $this->drupalPostForm(NULL, [], 'Delete');
 
@@ -113,9 +113,54 @@
     $this->assertText('No 404 pages without redirects found.');
 
     // Visit again the non existing page.
-    $this->drupalGet('non-existing');
+    $this->drupalGet('non-existing0');
     $this->drupalGet('admin/config/search/redirect/404');
-    $this->assertText('non-existing');
+    $this->assertText('non-existing0');
+
+    // Visit multiple non existing pages to test the Redirect 404 View.
+    $this->drupalGet('non-existing1');
+    $this->drupalGet('non-existing2');
+
+    $this->drupalGet('admin/config/search/redirect/404');
+    $this->assertText('non-existing0');
+    $this->assertText('non-existing1');
+    $this->assertText('non-existing2');
+
+    // Test the Path view filter.
+    $this->drupalGet('admin/config/search/redirect/404', ['query' => ['path' => 'existing1']]);
+    $this->assertNoText('non-existing0');
+    $this->assertText('non-existing1');
+    $this->assertNoText('non-existing2');
+    $this->drupalGet('admin/config/search/redirect/404');
+    $this->assertText('non-existing0');
+    $this->assertText('non-existing1');
+    $this->assertText('non-existing2');
+    $this->drupalGet('admin/config/search/redirect/404', ['query' => ['path' => '2']]);
+    $this->assertNoText('non-existing0');
+    $this->assertNoText('non-existing1');
+    $this->assertText('non-existing2');
+
+    // Assign a redirect to 'non-existing2'.
+    $this->clickLink('Add redirect');
+    $edit = [
+      'query' => [
+        'source' => 'non-existing2',
+        'language' => 'en',
+        'destination' => ltrim($destination, '/'),
+      ]
+    ];
+    $this->assertUrl('admin/config/search/redirect/add', $edit);
+    $this->assertFieldByName('redirect_source[0][path]', 'non-existing2');
+
+    // Save the redirect.
+    $this->drupalPostForm(NULL, ['redirect_redirect[0][uri]' => '/node'], t('Save'));
+    $this->assertUrl('admin/config/search/redirect/404');
+    $this->assertText('non-existing0');
+    $this->assertText('non-existing1');
+    $this->assertNoText('non-existing2');
+
+    $this->drupalGet('admin/config/search/redirect');
+    $this->assertText('non-existing2');
   }
 
 }
only in patch2:
unchanged:
--- /dev/null
+++ b/modules/redirect_404/config/install/views.view.redirect_404.yml
@@ -0,0 +1,533 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - redirect_404
+    - user
+_core:
+  default_config_hash: 2rsFUSFEDFsSQI8RcHGdYvhjc_6QzUWv5SNp5ADCopI
+id: redirect_404
+label: 'Redirect 404'
+module: views
+description: ''
+tag: ''
+base_table: redirect_404
+base_field: ''
+core: 8.x
+display:
+  default:
+    display_plugin: default
+    id: default
+    display_title: Master
+    position: 0
+    display_options:
+      access:
+        type: perm
+        options:
+          perm: 'access site reports'
+      cache:
+        type: none
+        options: {  }
+      query:
+        type: views_query
+        options:
+          disable_sql_rewrite: false
+          distinct: false
+          replica: false
+          query_comment: ''
+          query_tags: {  }
+      exposed_form:
+        type: basic
+        options:
+          submit_button: Filter
+          reset_button: true
+          reset_button_label: Reset
+          exposed_sorts_label: 'Sort by'
+          expose_sort_order: true
+          sort_asc_label: Asc
+          sort_desc_label: Desc
+      pager:
+        type: mini
+        options:
+          items_per_page: 10
+          offset: 0
+          id: 0
+          total_pages: null
+          expose:
+            items_per_page: false
+            items_per_page_label: 'Items per page'
+            items_per_page_options: '5, 10, 25, 50'
+            items_per_page_options_all: false
+            items_per_page_options_all_label: '- All -'
+            offset: false
+            offset_label: Offset
+          tags:
+            previous: ‹‹
+            next: ››
+      style:
+        type: table
+        options:
+          grouping: {  }
+          row_class: ''
+          default_row_class: true
+          override: true
+          sticky: false
+          caption: ''
+          summary: ''
+          description: ''
+          columns:
+            path: path
+            count: count
+            timestamp: timestamp
+          info:
+            path:
+              sortable: true
+              default_sort_order: desc
+              align: ''
+              separator: ''
+              empty_column: false
+              responsive: ''
+            count:
+              sortable: true
+              default_sort_order: desc
+              align: ''
+              separator: ''
+              empty_column: false
+              responsive: ''
+            timestamp:
+              sortable: true
+              default_sort_order: desc
+              align: ''
+              separator: ''
+              empty_column: false
+              responsive: ''
+          default: count
+          empty_table: false
+      row:
+        type: fields
+      fields:
+        path:
+          table: redirect_404
+          field: path
+          id: path
+          entity_type: null
+          entity_field: null
+          plugin_id: standard
+          relationship: none
+          group_type: group
+          admin_label: ''
+          label: Path
+          exclude: false
+          alter:
+            alter_text: false
+            text: ''
+            make_link: false
+            path: ''
+            absolute: false
+            external: false
+            replace_spaces: false
+            path_case: none
+            trim_whitespace: false
+            alt: ''
+            rel: ''
+            link_class: ''
+            prefix: ''
+            suffix: ''
+            target: ''
+            nl2br: false
+            max_length: 0
+            word_boundary: true
+            ellipsis: true
+            more_link: false
+            more_link_text: ''
+            more_link_path: ''
+            strip_tags: false
+            trim: false
+            preserve_tags: ''
+            html: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_empty: false
+          empty_zero: false
+          hide_alter_empty: true
+        count:
+          id: count
+          table: redirect_404
+          field: count
+          relationship: none
+          group_type: group
+          admin_label: ''
+          label: Count
+          exclude: false
+          alter:
+            alter_text: false
+            text: ''
+            make_link: false
+            path: ''
+            absolute: false
+            external: false
+            replace_spaces: false
+            path_case: none
+            trim_whitespace: false
+            alt: ''
+            rel: ''
+            link_class: ''
+            prefix: ''
+            suffix: ''
+            target: ''
+            nl2br: false
+            max_length: 0
+            word_boundary: true
+            ellipsis: true
+            more_link: false
+            more_link_text: ''
+            more_link_path: ''
+            strip_tags: false
+            trim: false
+            preserve_tags: ''
+            html: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_empty: false
+          empty_zero: false
+          hide_alter_empty: true
+#          set_precision: false
+#          precision: 0
+#          decimal: .
+#          separator: ''
+#          format_plural: 0
+#          format_plural_string: "1\x03@count"
+#          prefix: ''
+#          suffix: ''
+          format: unserialized
+          key: ''
+          plugin_id: serialized
+        timestamp:
+          id: timestamp
+          table: redirect_404
+          field: timestamp
+          relationship: none
+          group_type: group
+          admin_label: ''
+          label: 'Last accessed'
+          exclude: false
+          alter:
+            alter_text: false
+            text: ''
+            make_link: false
+            path: ''
+            absolute: false
+            external: false
+            replace_spaces: false
+            path_case: none
+            trim_whitespace: false
+            alt: ''
+            rel: ''
+            link_class: ''
+            prefix: ''
+            suffix: ''
+            target: ''
+            nl2br: false
+            max_length: 0
+            word_boundary: true
+            ellipsis: true
+            more_link: false
+            more_link_text: ''
+            more_link_path: ''
+            strip_tags: false
+            trim: false
+            preserve_tags: ''
+            html: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_empty: false
+          empty_zero: false
+          hide_alter_empty: true
+          date_format: short
+          custom_date_format: ''
+          timezone: ''
+          plugin_id: date
+        langcode:
+          id: langcode
+          table: redirect_404
+          field: langcode
+          relationship: none
+          group_type: group
+          admin_label: ''
+          label: Language
+          exclude: false
+          alter:
+            alter_text: false
+            text: ''
+            make_link: false
+            path: ''
+            absolute: false
+            external: false
+            replace_spaces: false
+            path_case: none
+            trim_whitespace: false
+            alt: ''
+            rel: ''
+            link_class: ''
+            prefix: ''
+            suffix: ''
+            target: ''
+            nl2br: false
+            max_length: 0
+            word_boundary: true
+            ellipsis: true
+            more_link: false
+            more_link_text: ''
+            more_link_path: ''
+            strip_tags: false
+            trim: false
+            preserve_tags: ''
+            html: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_empty: false
+          empty_zero: false
+          hide_alter_empty: true
+          plugin_id: standard
+        add_redirect:
+          id: add_redirect
+          table: redirect_404
+          field: add_redirect
+          relationship: none
+          group_type: group
+          admin_label: ''
+          label: Operations
+          exclude: false
+          alter:
+            alter_text: false
+            text: ''
+            make_link: false
+            path: ''
+            absolute: false
+            external: false
+            replace_spaces: false
+            path_case: none
+            trim_whitespace: false
+            alt: ''
+            rel: ''
+            link_class: ''
+            prefix: ''
+            suffix: ''
+            target: ''
+            nl2br: false
+            max_length: 0
+            word_boundary: true
+            ellipsis: true
+            more_link: false
+            more_link_text: ''
+            more_link_path: ''
+            strip_tags: false
+            trim: false
+            preserve_tags: ''
+            html: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_empty: false
+          empty_zero: false
+          hide_alter_empty: true
+          plugin_id: add_redirect
+      filters:
+        path:
+          id: path
+          table: redirect_404
+          field: path
+          relationship: none
+          group_type: group
+          admin_label: ''
+          operator: contains
+          value: ''
+          group: 1
+          exposed: true
+          expose:
+            operator_id: path_op
+            label: Path
+            description: ''
+            use_operator: false
+            operator: path_op
+            identifier: path
+            required: false
+            remember: false
+            multiple: false
+            remember_roles:
+              authenticated: authenticated
+              anonymous: '0'
+              administrator: '0'
+          is_grouped: false
+          group_info:
+            label: ''
+            description: ''
+            identifier: ''
+            optional: true
+            widget: select
+            multiple: false
+            remember: false
+            default_group: All
+            default_group_multiple: {  }
+            group_items: {  }
+          plugin_id: string
+        langcode:
+          id: langcode
+          table: redirect_404
+          field: langcode
+          relationship: none
+          group_type: group
+          admin_label: ''
+          operator: in
+          value: {  }
+          group: 1
+          exposed: true
+          expose:
+            operator_id: langcode_op
+            label: Language
+            description: ''
+            use_operator: false
+            operator: langcode_op
+            identifier: langcode
+            required: false
+            remember: false
+            multiple: false
+            remember_roles:
+              authenticated: authenticated
+              anonymous: '0'
+              administrator: '0'
+            reduce: false
+          is_grouped: false
+          group_info:
+            label: ''
+            description: ''
+            identifier: ''
+            optional: true
+            widget: select
+            multiple: false
+            remember: false
+            default_group: All
+            default_group_multiple: {  }
+            group_items: {  }
+          plugin_id: in_operator
+        resolved:
+          id: resolved
+          table: redirect_404
+          field: resolved
+          relationship: none
+          group_type: group
+          admin_label: ''
+          operator: '='
+          value: false
+          group: 1
+          exposed: false
+          expose:
+            operator_id: ''
+            label: Resolved
+            description: ''
+            use_operator: false
+            operator: resolved_op
+            identifier: resolved
+            required: false
+            remember: false
+            multiple: false
+            remember_roles:
+              authenticated: authenticated
+              anonymous: '0'
+              administrator: '0'
+          is_grouped: false
+          group_info:
+            label: ''
+            description: ''
+            identifier: ''
+            optional: true
+            widget: select
+            multiple: false
+            remember: false
+            default_group: All
+            default_group_multiple: {  }
+            group_items: {  }
+          plugin_id: boolean
+      sorts: {  }
+      title: 'Fix 404 pages'
+      header: {  }
+      footer: {  }
+      empty:
+        area_text_custom:
+          id: area_text_custom
+          table: views
+          field: area_text_custom
+          relationship: none
+          group_type: group
+          admin_label: ''
+          empty: true
+          tokenize: false
+          content: 'No 404 pages without redirects found.'
+          plugin_id: text_custom
+      relationships: {  }
+      arguments: {  }
+      display_extenders: {  }
+      filter_groups:
+        operator: AND
+        groups:
+          1: AND
+    cache_metadata:
+      max-age: 0
+      contexts:
+        - 'languages:language_interface'
+        - url
+        - url.query_args
+        - user.permissions
+      tags: {  }
+  page_1:
+    display_plugin: page
+    id: page_1
+    display_title: Page
+    position: 1
+    display_options:
+      display_extenders: {  }
+      path: admin/config/search/redirect/404
+      display_description: 'Lists 404 error paths with no redirect assigned yet.'
+      enabled: true
+    cache_metadata:
+      max-age: 0
+      contexts:
+        - 'languages:language_interface'
+        - url
+        - url.query_args
+        - user.permissions
+      tags: {  }