i18n: externalize strings from 'app/views/layouts'

Signed-off-by: Tao Wang <twang2218@gmail.com>

29 files changed, 371 insertions, 232 deletions

diff --git a/app/views/layouts/_recaptcha_verification.html.haml b/app/views/layouts/_recaptcha_verification.html.haml
index e6f87ddd383..3405fb9d5ef 100644
--- a/app/views/layouts/_recaptcha_verification.html.haml
+++ b/app/views/layouts/_recaptcha_verification.html.haml
@@ -1,10 +1,10 @@
 - humanized_resource_name = spammable.class.model_name.human.downcase
 
 %h3.page-title
-  Anti-spam verification
+  = _('Anti-spam verification')
 %hr
 
 %p
-  #{"We detected potential spam in the #{humanized_resource_name}. Please solve the reCAPTCHA to proceed."}
+  = _("We detected potential spam in the %{humanized_resource_name}. Please solve the reCAPTCHA to proceed.") % { humanized_resource_name: humanized_resource_name }
 
 = render 'shared/recaptcha_form', spammable: spammable
diff --git a/app/views/layouts/_search.html.haml b/app/views/layouts/_search.html.haml
index 91f796adb2e..556ad8cf306 100644
--- a/app/views/layouts/_search.html.haml
+++ b/app/views/layouts/_search.html.haml
@@ -1,7 +1,7 @@
 - if controller.controller_path =~ /^groups/ && @group.persisted?
-  - label = 'This group'
+  - label = _('This group')
 - if controller.controller_path =~ /^projects/ && @project.persisted?
-  - label = 'This project'
+  - label = _('This project')
 - if @group && @group.persisted? && @group.path
   - group_data_attrs = { group_path: j(@group.path), name: @group.name, issues_path: issues_group_path(j(@group.path)), mr_path: merge_requests_group_path(j(@group.path)) }
 - if @project && @project.persisted?
@@ -13,21 +13,21 @@
         .location-badge= label
       .search-input-wrap
         .dropdown{ data: { url: search_autocomplete_path } }
-          = search_field_tag 'search', nil, placeholder: 'Search',
+          = search_field_tag 'search', nil, placeholder: _('Search'),
                                             class: 'search-input dropdown-menu-toggle no-outline js-search-dashboard-options',
                                             spellcheck: false,
                                             tabindex: '1',
                                             autocomplete: 'off',
                                             data: { issues_path: issues_dashboard_path,
                                               mr_path: merge_requests_dashboard_path },
-                                            aria: { label: 'Search' }
+                                            aria: { label: _('Search') }
           %button.hidden.js-dropdown-search-toggle{ type: 'button', data: { toggle: 'dropdown' } }
           .dropdown-menu.dropdown-select
             = dropdown_content do
               %ul
                 %li.dropdown-menu-empty-item
                   %a
-                    Loading...
+                    = _('Loading...')
             = dropdown_loading
           = sprite_icon('search', size: 16, css_class: 'search-icon')
           = sprite_icon('close', size: 16, css_class: 'clear-icon js-clear-input')
diff --git a/app/views/layouts/admin.html.haml b/app/views/layouts/admin.html.haml
index 8595157a997..31259b8ac25 100644
--- a/app/views/layouts/admin.html.haml
+++ b/app/views/layouts/admin.html.haml
@@ -1,5 +1,5 @@
-- page_title    "Admin Area"
-- header_title  "Admin Area", admin_root_path
+- page_title    _("Admin Area")
+- header_title  _("Admin Area"), admin_root_path
 - nav "admin"
 - @left_sidebar = true
 
diff --git a/app/views/layouts/dashboard.html.haml b/app/views/layouts/dashboard.html.haml
index cb96bcc2cf4..489ef245a4d 100644
--- a/app/views/layouts/dashboard.html.haml
+++ b/app/views/layouts/dashboard.html.haml
@@ -1,5 +1,5 @@
-- page_title    "Dashboard"
-- header_title  "Dashboard", root_path unless header_title
+- page_title    _("Dashboard")
+- header_title  _("Dashboard"), root_path unless header_title
 - sidebar       "dashboard"
 
 = render template: "layouts/application"
diff --git a/app/views/layouts/devise.html.haml b/app/views/layouts/devise.html.haml
index 81f35615555..43bd07679ba 100644
--- a/app/views/layouts/devise.html.haml
+++ b/app/views/layouts/devise.html.haml
@@ -17,12 +17,11 @@
               - if current_appearance&.description?
                 = brand_text
               - else
-                %h3 Open source software to collaborate on code
+                %h3
+                  = _('Open source software to collaborate on code')
 
                 %p
-                  Manage Git repositories with fine-grained access controls that keep your code secure.
-                  Perform code reviews and enhance collaboration with merge requests.
-                  Each project can also have an issue tracker and a wiki.
+                  = _('Manage Git repositories with fine-grained access controls that keep your code secure. Perform code reviews and enhance collaboration with merge requests. Each project can also have an issue tracker and a wiki.')
 
               - if Gitlab::CurrentSettings.sign_in_text.present?
                 = markdown_field(Gitlab::CurrentSettings.current_application_settings, :sign_in_text)
@@ -32,6 +31,6 @@
       %hr.footer-fixed
       .container.footer-container
         .footer-links
-          = link_to "Explore", explore_root_path
-          = link_to "Help", help_path
-          = link_to "About GitLab", "https://about.gitlab.com/"
+          = link_to _("Explore"), explore_root_path
+          = link_to _("Help"), help_path
+          = link_to _("About GitLab"), "https://about.gitlab.com/"
diff --git a/app/views/layouts/devise_empty.html.haml b/app/views/layouts/devise_empty.html.haml
index 52805e0da73..663e5b24368 100644
--- a/app/views/layouts/devise_empty.html.haml
+++ b/app/views/layouts/devise_empty.html.haml
@@ -12,6 +12,6 @@
     %hr
     .container
       .footer-links
-        = link_to "Explore", explore_root_path
-        = link_to "Help", help_path
-        = link_to "About GitLab", "https://about.gitlab.com/"
+        = link_to _("Explore"), explore_root_path
+        = link_to _("Help"), help_path
+        = link_to _("About GitLab"), "https://about.gitlab.com/"
diff --git a/app/views/layouts/explore.html.haml b/app/views/layouts/explore.html.haml
index df65792be73..2ab9e55441b 100644
--- a/app/views/layouts/explore.html.haml
+++ b/app/views/layouts/explore.html.haml
@@ -1,5 +1,5 @@
-- page_title    "Explore"
+- page_title    = _("Explore")
 - unless current_user
-  - header_title  "Explore GitLab", explore_root_path
+  - header_title  = _("Explore GitLab"), explore_root_path
 
 = render template: "layouts/application"
diff --git a/app/views/layouts/group_settings.html.haml b/app/views/layouts/group_settings.html.haml
index 66b115e36de..14c5f0ce04c 100644
--- a/app/views/layouts/group_settings.html.haml
+++ b/app/views/layouts/group_settings.html.haml
@@ -1,4 +1,4 @@
-- page_title    "Settings"
+- page_title    = _("Settings")
 - nav           "group"
 
 = render template: "layouts/group"
diff --git a/app/views/layouts/header/_default.html.haml b/app/views/layouts/header/_default.html.haml
index 3aa8eb18bf3..97c04dda8cb 100644
--- a/app/views/layouts/header/_default.html.haml
+++ b/app/views/layouts/header/_default.html.haml
@@ -4,7 +4,7 @@
     .header-content
       .title-container
         %h1.title
-          = link_to root_path, title: 'Dashboard', id: 'logo' do
+          = link_to root_path, title: _('Dashboard'), id: 'logo' do
             = brand_header_logo
             - logo_text = brand_header_logo_type
             - if logo_text.present?
@@ -24,26 +24,26 @@
             %li.nav-item.d-none.d-sm-none.d-md-block.m-auto
               = render 'layouts/search' unless current_controller?(:search)
             %li.nav-item.d-inline-block.d-sm-none.d-md-none
-              = link_to search_path, title: 'Search', aria: { label: "Search" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+              = link_to search_path, title: _('Search'), aria: { label: _("Search") }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = sprite_icon('search', size: 16)
 
           - if header_link?(:issues)
             = nav_link(path: 'dashboard#issues', html_options: { class: "user-counter" }) do
-              = link_to assigned_issues_dashboard_path, title: 'Issues', class: 'dashboard-shortcuts-issues', aria: { label: "Issues" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+              = link_to assigned_issues_dashboard_path, title: _('Issues'), class: 'dashboard-shortcuts-issues', aria: { label: _("Issues") }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = sprite_icon('issues', size: 16)
                 - issues_count = assigned_issuables_count(:issues)
                 %span.badge.badge-pill.issues-count{ class: ('hidden' if issues_count.zero?) }
                   = number_with_delimiter(issues_count)
           - if header_link?(:merge_requests)
             = nav_link(path: 'dashboard#merge_requests', html_options: { class: "user-counter" }) do
-              = link_to assigned_mrs_dashboard_path, title: 'Merge requests', class: 'dashboard-shortcuts-merge_requests', aria: { label: "Merge requests" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+              = link_to assigned_mrs_dashboard_path, title: _('Merge requests'), class: 'dashboard-shortcuts-merge_requests', aria: { label: _("Merge requests") }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = sprite_icon('git-merge', size: 16)
                 - merge_requests_count = assigned_issuables_count(:merge_requests)
                 %span.badge.badge-pill.merge-requests-count{ class: ('hidden' if merge_requests_count.zero?) }
                   = number_with_delimiter(merge_requests_count)
           - if header_link?(:todos)
             = nav_link(controller: 'dashboard/todos', html_options: { class: "user-counter" }) do
-              = link_to dashboard_todos_path, title: 'Todos', aria: { label: "Todos" }, class: 'shortcuts-todos', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+              = link_to dashboard_todos_path, title: _('Todos'), aria: { label: _("Todos") }, class: 'shortcuts-todos', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = sprite_icon('todo-done', size: 16)
                 %span.badge.badge-pill.todos-count{ class: ('hidden' if todos_pending_count.zero?) }
                   = todos_count_format(todos_pending_count)
@@ -56,16 +56,16 @@
                 = render 'layouts/header/current_user_dropdown'
           - if header_link?(:admin_impersonation)
             %li.nav-item.impersonation
-              = link_to admin_impersonation_path, class: 'nav-link impersonation-btn', method: :delete, title: "Stop impersonation", aria: { label: 'Stop impersonation' }, data: { toggle: 'tooltip', placement: 'bottom', container: 'body' } do
+              = link_to admin_impersonation_path, class: 'nav-link impersonation-btn', method: :delete, title: _("Stop impersonation"), aria: { label: _('Stop impersonation') }, data: { toggle: 'tooltip', placement: 'bottom', container: 'body' } do
                 = icon('user-secret')
           - if header_link?(:sign_in)
             %li.nav-item
               %div
-                - sign_in_text = allow_signup? ? 'Sign in / Register' : 'Sign in'
+                - sign_in_text = allow_signup? ? _('Sign in / Register') : _('Sign in')
                 = link_to sign_in_text, new_session_path(:user, redirect_to_referer: 'yes'), class: 'btn btn-sign-in'
 
 
       %button.navbar-toggler.d-block.d-sm-none{ type: 'button' }
-        %span.sr-only Toggle navigation
+        %span.sr-only= _("Toggle navigation")
         = sprite_icon('more', size: 12, css_class: 'more-icon js-navbar-toggle-right')
         = sprite_icon('close', size: 12, css_class: 'close-icon js-navbar-toggle-left')
diff --git a/app/views/layouts/header/_new_dropdown.haml b/app/views/layouts/header/_new_dropdown.haml
index 792291bde75..e134f416c70 100644
--- a/app/views/layouts/header/_new_dropdown.haml
+++ b/app/views/layouts/header/_new_dropdown.haml
@@ -1,5 +1,5 @@
 %li.header-new.dropdown
-  = link_to new_project_path, class: "header-new-dropdown-toggle has-tooltip qa-new-menu-toggle", title: "New...", ref: 'tooltip', aria: { label: "New..." }, data: { toggle: 'dropdown', placement: 'bottom', container: 'body', display: 'static' } do
+  = link_to new_project_path, class: "header-new-dropdown-toggle has-tooltip qa-new-menu-toggle", title: _("New..."), ref: 'tooltip', aria: { label: _("New...") }, data: { toggle: 'dropdown', placement: 'bottom', container: 'body', display: 'static' } do
     = sprite_icon('plus-square', size: 16)
     = sprite_icon('angle-down', css_class: 'caret-down')
   .dropdown-menu.dropdown-menu-right
@@ -8,13 +8,14 @@
         - create_group_project = can?(current_user, :create_projects, @group)
         - create_group_subgroup = can?(current_user, :create_subgroup, @group)
         - if create_group_project || create_group_subgroup
-          %li.dropdown-bold-header This group
+          %li.dropdown-bold-header
+            = _('This group')
           - if create_group_project
             %li.header-new-group-project
-              = link_to 'New project', new_project_path(namespace_id: @group.id)
+              = link_to _('New project'), new_project_path(namespace_id: @group.id)
           - if create_group_subgroup
             %li
-              = link_to 'New subgroup', new_group_path(parent_id: @group.id)
+              = link_to _('New subgroup'), new_group_path(parent_id: @group.id)
           %li.divider
           %li.dropdown-bold-header GitLab
 
@@ -23,23 +24,24 @@
         - merge_project = merge_request_source_project_for_project(@project)
         - create_project_snippet = can?(current_user, :create_project_snippet, @project)
         - if create_project_issue || merge_project || create_project_snippet
-          %li.dropdown-bold-header This project
+          %li.dropdown-bold-header
+            = _('This project')
           - if create_project_issue
             %li
-              = link_to 'New issue', new_project_issue_path(@project)
+              = link_to _('New issue'), new_project_issue_path(@project)
           - if merge_project
             %li
-              = link_to 'New merge request', project_new_merge_request_path(merge_project)
+              = link_to _('New merge request'), project_new_merge_request_path(merge_project)
           - if create_project_snippet
             %li.header-new-project-snippet
-              = link_to 'New snippet', new_project_snippet_path(@project)
+              = link_to _('New snippet'), new_project_snippet_path(@project)
           %li.divider
           %li.dropdown-bold-header GitLab
       - if current_user.can_create_project?
         %li
-          = link_to 'New project', new_project_path, class: 'qa-global-new-project-link'
+          = link_to _('New project'), new_project_path, class: 'qa-global-new-project-link'
       - if current_user.can_create_group?
         %li
-          = link_to 'New group', new_group_path
+          = link_to _('New group'), new_group_path
       %li
-        = link_to 'New snippet', new_snippet_path
+        = link_to _('New snippet'), new_snippet_path
diff --git a/app/views/layouts/help.html.haml b/app/views/layouts/help.html.haml
index 78927bfffcd..a913bea0c93 100644
--- a/app/views/layouts/help.html.haml
+++ b/app/views/layouts/help.html.haml
@@ -1,5 +1,5 @@
-- @breadcrumb_title = "Help"
-- page_title    "Help"
-- header_title  "Help", help_path
+- @breadcrumb_title = _("Help")
+- page_title    _("Help")
+- header_title  _("Help"), help_path
 
 = render template: "layouts/application"
diff --git a/app/views/layouts/koding.html.haml b/app/views/layouts/koding.html.haml
index 22319bba745..45ccd38f687 100644
--- a/app/views/layouts/koding.html.haml
+++ b/app/views/layouts/koding.html.haml
@@ -1,5 +1,5 @@
-- page_title        "Koding"
-- page_description  "Koding Dashboard"
-- header_title      "Koding", koding_path
+- page_title        _("Koding")
+- page_description  _("Koding Dashboard")
+- header_title      _("Koding"), koding_path
 
 = render template: "layouts/application"
diff --git a/app/views/layouts/mailer.text.erb b/app/views/layouts/mailer.text.erb
index 8e20c4a4b2a..8e11174f8d7 100644
--- a/app/views/layouts/mailer.text.erb
+++ b/app/views/layouts/mailer.text.erb
@@ -1,4 +1,4 @@
 <%= yield -%>
 
 -- <%# signature marker %>
-You're receiving this email because of your account on <%= Gitlab.config.gitlab.host %>.
+<%= _("You're receiving this email because of your account on %{host}.") % { host: Gitlab.config.gitlab.host } %>
diff --git a/app/views/layouts/mailer/devise.html.haml b/app/views/layouts/mailer/devise.html.haml
index 054b2c2fa26..beaaaa5cd68 100644
--- a/app/views/layouts/mailer/devise.html.haml
+++ b/app/views/layouts/mailer/devise.html.haml
@@ -3,17 +3,17 @@
     %tr
       %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:13px;line-height:1.6;color:#5c5c5c;" }
         %div
-          Everyone can contribute
+          = _('Everyone can contribute')
         %div
-          = link_to 'Blog', 'https://about.gitlab.com/blog/', style: "color:#3777b0;text-decoration:none;"
+          = link_to _('Blog'), 'https://about.gitlab.com/blog/', style: "color:#3777b0;text-decoration:none;"
           &middot;
-          = link_to 'Twitter', 'https://twitter.com/gitlab', style: "color:#3777b0;text-decoration:none;"
+          = link_to _('Twitter'), 'https://twitter.com/gitlab', style: "color:#3777b0;text-decoration:none;"
           &middot;
-          = link_to 'Facebook', 'https://www.facebook.com/gitlab/', style: "color:#3777b0;text-decoration:none;"
+          = link_to _('Facebook'), 'https://www.facebook.com/gitlab/', style: "color:#3777b0;text-decoration:none;"
           &middot;
-          = link_to 'YouTube', 'https://www.youtube.com/channel/UCnMGQ8QHMAnVIsI3xJrihhg', style: "color:#3777b0;text-decoration:none;"
+          = link_to _('YouTube'), 'https://www.youtube.com/channel/UCnMGQ8QHMAnVIsI3xJrihhg', style: "color:#3777b0;text-decoration:none;"
           &middot;
-          = link_to 'LinkedIn', 'https://www.linkedin.com/company/gitlab-com', style: "color:#3777b0;text-decoration:none;"
+          = link_to _('LinkedIn'), 'https://www.linkedin.com/company/gitlab-com', style: "color:#3777b0;text-decoration:none;"
 
 = render layout: 'layouts/mailer' do
   %tr
diff --git a/app/views/layouts/nav/_breadcrumbs.html.haml b/app/views/layouts/nav/_breadcrumbs.html.haml
index 002922e13f1..f53bd2b5e4d 100644
--- a/app/views/layouts/nav/_breadcrumbs.html.haml
+++ b/app/views/layouts/nav/_breadcrumbs.html.haml
@@ -5,7 +5,7 @@
   .breadcrumbs-container
     - if defined?(@left_sidebar)
       = button_tag class: 'toggle-mobile-nav', type: 'button' do
-        %span.sr-only Open sidebar
+        %span.sr-only= _("Open sidebar")
         = icon ('bars')
     .breadcrumbs-links.js-title-container
       %ul.list-unstyled.breadcrumbs-list.js-breadcrumbs-list
diff --git a/app/views/layouts/nav/_dashboard.html.haml b/app/views/layouts/nav/_dashboard.html.haml
index 4029287fc0e..a71a4b13a7e 100644
--- a/app/views/layouts/nav/_dashboard.html.haml
+++ b/app/views/layouts/nav/_dashboard.html.haml
@@ -2,7 +2,7 @@
   - if dashboard_nav_link?(:projects)
     = nav_link(path: ['root#index', 'projects#trending', 'projects#starred', 'dashboard/projects#index'], html_options: { id: 'nav-projects-dropdown', class: "home dropdown header-projects qa-projects-dropdown" }) do
       %button{ type: 'button', data: { toggle: "dropdown" } }
-        Projects
+        = _('Projects')
         = sprite_icon('angle-down', css_class: 'caret-down')
       .dropdown-menu.frequent-items-dropdown-menu
         = render "layouts/nav/projects_dropdown/show"
@@ -10,68 +10,68 @@
   - if dashboard_nav_link?(:groups)
     = nav_link(controller: ['dashboard/groups', 'explore/groups'], html_options: { id: 'nav-groups-dropdown', class: "home dropdown header-groups qa-groups-dropdown" }) do
       %button{ type: 'button', data: { toggle: "dropdown" } }
-        Groups
+        = _('Groups')
         = sprite_icon('angle-down', css_class: 'caret-down')
       .dropdown-menu.frequent-items-dropdown-menu
         = render "layouts/nav/groups_dropdown/show"
 
   - if dashboard_nav_link?(:activity)
     = nav_link(path: 'dashboard#activity', html_options: { class: "d-none d-lg-block d-xl-block" }) do
-      = link_to activity_dashboard_path, class: 'dashboard-shortcuts-activity', title: 'Activity' do
-        Activity
+      = link_to activity_dashboard_path, class: 'dashboard-shortcuts-activity', title: _('Activity') do
+        = _('Activity')
 
   - if dashboard_nav_link?(:milestones)
     = nav_link(controller: 'dashboard/milestones', html_options: { class: "d-none d-lg-block d-xl-block" }) do
-      = link_to dashboard_milestones_path, class: 'dashboard-shortcuts-milestones', title: 'Milestones' do
-        Milestones
+      = link_to dashboard_milestones_path, class: 'dashboard-shortcuts-milestones', title: _('Milestones') do
+        = _('Milestones')
 
   - if dashboard_nav_link?(:snippets)
     = nav_link(controller: 'dashboard/snippets', html_options: { class: "d-none d-lg-block d-xl-block" }) do
-      = link_to dashboard_snippets_path, class: 'dashboard-shortcuts-snippets', title: 'Snippets' do
-        Snippets
+      = link_to dashboard_snippets_path, class: 'dashboard-shortcuts-snippets', title: _('Snippets') do
+        = _('Snippets')
 
   - if any_dashboard_nav_link?([:groups, :milestones, :activity, :snippets])
     %li.header-more.dropdown.d-lg-none.d-xl-none
       %a{ href: "#", data: { toggle: "dropdown" } }
-        More
+        = _('More')
         = sprite_icon('angle-down', css_class: 'caret-down')
       .dropdown-menu
         %ul
           - if dashboard_nav_link?(:activity)
             = nav_link(path: 'dashboard#activity') do
-              = link_to activity_dashboard_path, title: 'Activity' do
-                Activity
+              = link_to activity_dashboard_path, title: _('Activity') do
+                = _('Activity')
 
           - if dashboard_nav_link?(:milestones)
             = nav_link(controller: 'dashboard/milestones') do
-              = link_to dashboard_milestones_path, class: 'dashboard-shortcuts-milestones', title: 'Milestones' do
-                Milestones
+              = link_to dashboard_milestones_path, class: 'dashboard-shortcuts-milestones', title: _('Milestones') do
+                = _('Milestones')
 
           - if dashboard_nav_link?(:snippets)
             = nav_link(controller: 'dashboard/snippets') do
-              = link_to dashboard_snippets_path, class: 'dashboard-shortcuts-snippets', title: 'Snippets' do
-                Snippets
+              = link_to dashboard_snippets_path, class: 'dashboard-shortcuts-snippets', title: _('Snippets') do
+                = _('Snippets')
 
   -# Shortcut to Dashboard > Projects
   - if dashboard_nav_link?(:projects)
     %li.hidden
-      = link_to dashboard_projects_path, title: 'Projects', class: 'dashboard-shortcuts-projects' do
-        Projects
+      = link_to dashboard_projects_path, title: _('Projects'), class: 'dashboard-shortcuts-projects' do
+        = _('Projects')
 
   - if current_controller?('ide')
     %li.line-separator.d-none.d-sm-block
       = nav_link(controller: 'ide') do
-        = link_to '#', class: 'dashboard-shortcuts-web-ide', title: 'Web IDE' do
-          Web IDE
+        = link_to '#', class: 'dashboard-shortcuts-web-ide', title: _('Web IDE') do
+          = _('Web IDE')
 
   - if current_user.admin? || Gitlab::Sherlock.enabled?
     %li.line-separator.d-none.d-sm-block
   - if current_user.admin?
     = nav_link(controller: 'admin/dashboard') do
-      = link_to admin_root_path, class: 'admin-icon qa-admin-area-link', title: 'Admin area', aria: { label: "Admin area" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+      = link_to admin_root_path, class: 'admin-icon qa-admin-area-link', title: _('Admin area'), aria: { label: _("Admin area") }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
         = sprite_icon('admin', size: 18)
   - if Gitlab::Sherlock.enabled?
     %li
-      = link_to sherlock_transactions_path, class: 'admin-icon', title: 'Sherlock Transactions',
+      = link_to sherlock_transactions_path, class: 'admin-icon', title: _('Sherlock Transactions'),
         data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
         = icon('tachometer fw')
diff --git a/app/views/layouts/nav/_explore.html.haml b/app/views/layouts/nav/_explore.html.haml
index 50bde9d1754..7d18cd8978b 100644
--- a/app/views/layouts/nav/_explore.html.haml
+++ b/app/views/layouts/nav/_explore.html.haml
@@ -1,15 +1,15 @@
 %ul.list-unstyled.navbar-sub-nav
   - if explore_nav_link?(:projects)
     = nav_link(path: ['dashboard#show', 'root#show', 'projects#trending', 'projects#starred', 'projects#index'], html_options: {class: 'home'}) do
-      = link_to explore_root_path, title: 'Projects', class: 'dashboard-shortcuts-projects' do
-        Projects
+      = link_to explore_root_path, title: _('Projects'), class: 'dashboard-shortcuts-projects' do
+        = _('Projects')
   - if explore_nav_link?(:groups)
     = nav_link(controller: [:groups, 'groups/milestones', 'groups/group_members']) do
-      = link_to explore_groups_path, title: 'Groups', class: 'dashboard-shortcuts-groups' do
-        Groups
+      = link_to explore_groups_path, title: _('Groups'), class: 'dashboard-shortcuts-groups' do
+        = _('Groups')
   - if explore_nav_link?(:snippets)
     = nav_link(controller: :snippets) do
-      = link_to explore_snippets_path, title: 'Snippets', class: 'dashboard-shortcuts-snippets' do
-        Snippets
+      = link_to explore_snippets_path, title: _('Snippets'), class: 'dashboard-shortcuts-snippets' do
+        = _('Snippets')
   %li
-    = link_to "Help", help_path, title: 'About GitLab CE'
+    = link_to _("Help"), help_path, title: _('About GitLab CE')
diff --git a/app/views/layouts/nav/sidebar/_admin.html.haml b/app/views/layouts/nav/sidebar/_admin.html.haml
index 4c73da4c75b..0047efa363d 100644
--- a/app/views/layouts/nav/sidebar/_admin.html.haml
+++ b/app/views/layouts/nav/sidebar/_admin.html.haml
@@ -1,142 +1,143 @@
 .nav-sidebar{ class: ("sidebar-collapsed-desktop" if collapsed_sidebar?) }
   .nav-sidebar-inner-scroll
     .context-header
-      = link_to admin_root_path, title: 'Admin Overview' do
+      = link_to admin_root_path, title: _('Admin Overview') do
         .avatar-container.s40.settings-avatar
           = sprite_icon('admin', size: 24)
-        .sidebar-context-title Admin Area
+        .sidebar-context-title
+          = _('Admin Area')
     %ul.sidebar-top-level-items
       = nav_link(controller: %w(dashboard admin projects users groups jobs runners gitaly_servers cohorts conversational_development_index), html_options: {class: 'home'}) do
         = link_to admin_root_path, class: 'shortcuts-tree' do
           .nav-icon-container
             = sprite_icon('overview')
           %span.nav-item-name
-            Overview
+            = _('Overview')
         %ul.sidebar-sub-level-items
           = nav_link(controller: %w(dashboard admin projects users groups jobs runners gitaly_servers cohorts conversational_development_index), html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_root_path do
               %strong.fly-out-top-item-name
-                #{ _('Overview') }
+                = _('Overview')
           %li.divider.fly-out-top-item
           = nav_link(controller: :dashboard, html_options: {class: 'home'}) do
-            = link_to admin_root_path, title: 'Overview' do
+            = link_to admin_root_path, title: _('Overview') do
               %span
-                Dashboard
+                = _('Dashboard')
           = nav_link(controller: [:admin, :projects]) do
-            = link_to admin_projects_path, title: 'Projects' do
+            = link_to admin_projects_path, title: _('Projects') do
               %span
-                Projects
+                = _('Projects')
           = nav_link(controller: :users) do
-            = link_to admin_users_path, title: 'Users' do
+            = link_to admin_users_path, title: _('Users') do
               %span
-                Users
+                = _('Users')
           = nav_link(controller: :groups) do
-            = link_to admin_groups_path, title: 'Groups' do
+            = link_to admin_groups_path, title: _('Groups') do
               %span
-                Groups
+                = _('Groups')
           = nav_link path: 'jobs#index' do
-            = link_to admin_jobs_path, title: 'Jobs' do
+            = link_to admin_jobs_path, title: _('Jobs') do
               %span
-                Jobs
+                = _('Jobs')
           = nav_link path: ['runners#index', 'runners#show'] do
-            = link_to admin_runners_path, title: 'Runners' do
+            = link_to admin_runners_path, title: _('Runners') do
               %span
-                Runners
+                = _('Runners')
           = nav_link(controller: :gitaly_servers) do
             = link_to admin_gitaly_servers_path, title: 'Gitaly Servers' do
               %span
-                Gitaly Servers
+                = _('Gitaly Servers')
           = nav_link path: 'cohorts#index' do
-            = link_to admin_cohorts_path, title: 'Cohorts' do
+            = link_to admin_cohorts_path, title: _('Cohorts') do
               %span
-                Cohorts
+                = _('Cohorts')
           = nav_link(controller: :conversational_development_index) do
-            = link_to admin_conversational_development_index_path, title: 'ConvDev Index' do
+            = link_to admin_conversational_development_index_path, title: _('ConvDev Index') do
               %span
-                ConvDev Index
+                = _('ConvDev Index')
 
       = nav_link(controller: %w(system_info background_jobs logs health_check requests_profiles)) do
         = link_to admin_system_info_path do
           .nav-icon-container
             = sprite_icon('monitor')
           %span.nav-item-name
-            Monitoring
+            = _('Monitoring')
 
         %ul.sidebar-sub-level-items
           = nav_link(controller: %w(system_info background_jobs logs health_check requests_profiles), html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_system_info_path do
               %strong.fly-out-top-item-name
-                #{ _('Monitoring') }
+                = _('Monitoring')
           %li.divider.fly-out-top-item
           = nav_link(controller: :system_info) do
-            = link_to admin_system_info_path, title: 'System Info' do
+            = link_to admin_system_info_path, title: _('System Info') do
               %span
-                System Info
+                = _('System Info')
           = nav_link(controller: :background_jobs) do
-            = link_to admin_background_jobs_path, title: 'Background Jobs' do
+            = link_to admin_background_jobs_path, title: _('Background Jobs') do
               %span
-                Background Jobs
+                = _('Background Jobs')
           = nav_link(controller: :logs) do
-            = link_to admin_logs_path, title: 'Logs' do
+            = link_to admin_logs_path, title: _('Logs') do
               %span
-                Logs
+                = _('Logs')
           = nav_link(controller: :health_check) do
-            = link_to admin_health_check_path, title: 'Health Check' do
+            = link_to admin_health_check_path, title: _('Health Check') do
               %span
-                Health Check
+                = _('Health Check')
           = nav_link(controller: :requests_profiles) do
-            = link_to admin_requests_profiles_path, title: 'Requests Profiles' do
+            = link_to admin_requests_profiles_path, title: _('Requests Profiles') do
               %span
-                Requests Profiles
+                = _('Requests Profiles')
 
       = nav_link(controller: :broadcast_messages) do
         = link_to admin_broadcast_messages_path do
           .nav-icon-container
             = sprite_icon('messages')
           %span.nav-item-name
-            Messages
+            = _('Messages')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :broadcast_messages, html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_broadcast_messages_path do
               %strong.fly-out-top-item-name
-                #{ _('Messages') }
+                = _('Messages')
 
       = nav_link(controller: [:hooks, :hook_logs]) do
         = link_to admin_hooks_path do
           .nav-icon-container
             = sprite_icon('hook')
           %span.nav-item-name
-            System Hooks
+            = _('System Hooks')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: [:hooks, :hook_logs], html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_hooks_path do
               %strong.fly-out-top-item-name
-                #{ _('System Hooks') }
+                = _('System Hooks')
 
       = nav_link(controller: :applications) do
         = link_to admin_applications_path do
           .nav-icon-container
             = sprite_icon('applications')
           %span.nav-item-name
-            Applications
+            = _('Applications')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :applications, html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_applications_path do
               %strong.fly-out-top-item-name
-                #{ _('Applications') }
+                = _('Applications')
 
       = nav_link(controller: :abuse_reports) do
         = link_to admin_abuse_reports_path do
           .nav-icon-container
             = sprite_icon('slight-frown')
           %span.nav-item-name
-            Abuse Reports
+            = _('Abuse Reports')
           %span.badge.badge-pill.count= number_with_delimiter(AbuseReport.count(:all))
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :abuse_reports, html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_abuse_reports_path do
               %strong.fly-out-top-item-name
-                #{ _('Abuse Reports') }
+                = _('Abuse Reports')
               %span.badge.badge-pill.count.merge_counter.js-merge-counter.fly-out-badge= number_with_delimiter(AbuseReport.count(:all))
 
       - if akismet_enabled?
@@ -145,71 +146,71 @@
             .nav-icon-container
               = sprite_icon('spam')
             %span.nav-item-name
-              Spam Logs
+              = _('Spam Logs')
           %ul.sidebar-sub-level-items.is-fly-out-only
             = nav_link(controller: :spam_logs, html_options: { class: "fly-out-top-item" } ) do
               = link_to admin_spam_logs_path do
                 %strong.fly-out-top-item-name
-                  #{ _('Spam Logs') }
+                  = _('Spam Logs')
 
       = nav_link(controller: :deploy_keys) do
         = link_to admin_deploy_keys_path do
           .nav-icon-container
             = sprite_icon('key')
           %span.nav-item-name
-            Deploy Keys
+            = _('Deploy Keys')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :deploy_keys, html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_deploy_keys_path do
               %strong.fly-out-top-item-name
-                #{ _('Deploy Keys') }
+                = _('Deploy Keys')
 
       = nav_link(controller: :services) do
         = link_to admin_application_settings_services_path do
           .nav-icon-container
             = sprite_icon('template')
           %span.nav-item-name
-            Service Templates
+            = _('Service Templates')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :services, html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_application_settings_services_path do
               %strong.fly-out-top-item-name
-                #{ _('Service Templates') }
+                = _('Service Templates')
 
       = nav_link(controller: :labels) do
         = link_to admin_labels_path do
           .nav-icon-container
             = sprite_icon('labels')
           %span.nav-item-name
-            Labels
+            = _('Labels')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :labels, html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_labels_path do
               %strong.fly-out-top-item-name
-                #{ _('Labels') }
+                = _('Labels')
 
       = nav_link(controller: :appearances) do
         = link_to admin_appearances_path do
           .nav-icon-container
             = sprite_icon('appearance')
           %span.nav-item-name
-            Appearance
+            = _('Appearance')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :appearances, html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_appearances_path do
               %strong.fly-out-top-item-name
-                #{ _('Appearance') }
+                = _('Appearance')
 
       = nav_link(controller: :application_settings) do
         = link_to admin_application_settings_path do
           .nav-icon-container
             = sprite_icon('settings')
           %span.nav-item-name
-            Settings
+            = _('Settings')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :application_settings, html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_application_settings_path do
               %strong.fly-out-top-item-name
-                #{ _('Settings') }
+                = _('Settings')
 
     = render 'shared/sidebar_toggle_button'
diff --git a/app/views/layouts/nav/sidebar/_group.html.haml b/app/views/layouts/nav/sidebar/_group.html.haml
index 39a033337ff..0a3b5ec7eea 100644
--- a/app/views/layouts/nav/sidebar/_group.html.haml
+++ b/app/views/layouts/nav/sidebar/_group.html.haml
@@ -17,24 +17,24 @@
             .nav-icon-container
               = sprite_icon('project')
             %span.nav-item-name
-              Overview
+              = _('Overview')
 
           %ul.sidebar-sub-level-items
             = nav_link(path: ['groups#show', 'groups#activity', 'groups#subgroups'], html_options: { class: "fly-out-top-item" } ) do
               = link_to group_path(@group) do
                 %strong.fly-out-top-item-name
-                  #{ _('Overview') }
+                  = _('Overview')
             %li.divider.fly-out-top-item
             = nav_link(path: ['groups#show', 'groups#subgroups'], html_options: { class: 'home' }) do
-              = link_to group_path(@group), title: 'Group details' do
+              = link_to group_path(@group), title: _('Group details') do
                 %span
-                  Details
+                  = _('Details')
 
             - if group_sidebar_link?(:activity)
               = nav_link(path: 'groups#activity') do
-                = link_to activity_group_path(@group), title: 'Activity' do
+                = link_to activity_group_path(@group), title: _('Activity') do
                   %span
-                    Activity
+                    = _('Activity')
 
       - if group_sidebar_link?(:issues)
         = nav_link(path: issues_sub_menu_items) do
@@ -42,21 +42,21 @@
             .nav-icon-container
               = sprite_icon('issues')
             %span.nav-item-name
-              Issues
+              = _('Issues')
             %span.badge.badge-pill.count= number_with_delimiter(issues_count)
 
           %ul.sidebar-sub-level-items
             = nav_link(path: ['groups#issues', 'labels#index', 'milestones#index'], html_options: { class: "fly-out-top-item" } ) do
               = link_to issues_group_path(@group) do
                 %strong.fly-out-top-item-name
-                  #{ _('Issues') }
+                  = _('Issues')
                 %span.badge.badge-pill.count.issue_counter.fly-out-badge= number_with_delimiter(issues_count)
 
             %li.divider.fly-out-top-item
             = nav_link(path: 'groups#issues', html_options: { class: 'home' }) do
-              = link_to issues_group_path(@group), title: 'List' do
+              = link_to issues_group_path(@group), title: _('List') do
                 %span
-                  List
+                  = _('List')
 
             - if group_sidebar_link?(:boards)
               = nav_link(path: ['boards#index', 'boards#show']) do
@@ -66,15 +66,15 @@
 
             - if group_sidebar_link?(:labels)
               = nav_link(path: 'labels#index') do
-                = link_to group_labels_path(@group), title: 'Labels' do
+                = link_to group_labels_path(@group), title: _('Labels') do
                   %span
-                    Labels
+                    = _('Labels')
 
             - if group_sidebar_link?(:milestones)
               = nav_link(path: 'milestones#index') do
-                = link_to group_milestones_path(@group), title: 'Milestones' do
+                = link_to group_milestones_path(@group), title: _('Milestones') do
                   %span
-                    Milestones
+                    = _('Milestones')
 
       - if group_sidebar_link?(:merge_requests)
         = nav_link(path: 'groups#merge_requests') do
@@ -82,13 +82,13 @@
             .nav-icon-container
               = sprite_icon('git-merge')
             %span.nav-item-name
-              Merge Requests
+              = _('Merge Requests')
             %span.badge.badge-pill.count= number_with_delimiter(merge_requests_count)
           %ul.sidebar-sub-level-items.is-fly-out-only
             = nav_link(path: 'groups#merge_requests', html_options: { class: "fly-out-top-item" } ) do
               = link_to merge_requests_group_path(@group) do
                 %strong.fly-out-top-item-name
-                  #{ _('Merge Requests') }
+                  = _('Merge Requests')
                 %span.badge.badge-pill.count.merge_counter.js-merge-counter.fly-out-badge= number_with_delimiter(merge_requests_count)
 
       - if group_sidebar_link?(:group_members)
@@ -97,12 +97,12 @@
             .nav-icon-container
               = sprite_icon('users')
             %span.nav-item-name
-              Members
+              = _('Members')
           %ul.sidebar-sub-level-items.is-fly-out-only
             = nav_link(path: 'group_members#index', html_options: { class: "fly-out-top-item" } ) do
               = link_to group_group_members_path(@group) do
                 %strong.fly-out-top-item-name
-                  #{ _('Members') }
+                  = _('Members')
 
       - if group_sidebar_link?(:settings)
         = nav_link(path: group_nav_link_paths) do
@@ -110,17 +110,17 @@
             .nav-icon-container
               = sprite_icon('settings')
             %span.nav-item-name
-              Settings
+              = _('Settings')
           %ul.sidebar-sub-level-items
             = nav_link(path: %w[groups#projects groups#edit badges#index ci_cd#show], html_options: { class: "fly-out-top-item" } ) do
               = link_to edit_group_path(@group) do
                 %strong.fly-out-top-item-name
-                  #{ _('Settings') }
+                  = _('Settings')
             %li.divider.fly-out-top-item
             = nav_link(path: 'groups#edit') do
-              = link_to edit_group_path(@group), title: 'General' do
+              = link_to edit_group_path(@group), title: _('General') do
                 %span
-                  General
+                  = _('General')
 
             = nav_link(controller: :badges) do
               = link_to group_settings_badges_path(@group), title: _('Project Badges') do
@@ -129,13 +129,13 @@
 
 
             = nav_link(path: 'groups#projects') do
-              = link_to projects_group_path(@group), title: 'Projects' do
+              = link_to projects_group_path(@group), title: _('Projects') do
                 %span
-                  Projects
+                  = _('Projects')
 
             = nav_link(controller: :ci_cd) do
-              = link_to group_settings_ci_cd_path(@group), title: 'CI / CD' do
+              = link_to group_settings_ci_cd_path(@group), title: _('CI / CD') do
                 %span
-                  CI / CD
+                  = _('CI / CD')
 
     = render 'shared/sidebar_toggle_button'
diff --git a/app/views/layouts/nav/sidebar/_profile.html.haml b/app/views/layouts/nav/sidebar/_profile.html.haml
index 6cbd163dd41..94863a3460d 100644
--- a/app/views/layouts/nav/sidebar/_profile.html.haml
+++ b/app/views/layouts/nav/sidebar/_profile.html.haml
@@ -1,7 +1,7 @@
 .nav-sidebar{ class: ("sidebar-collapsed-desktop" if collapsed_sidebar?) }
   .nav-sidebar-inner-scroll
     .context-header
-      = link_to profile_path, title: 'Profile Settings' do
+      = link_to profile_path, title: _('Profile Settings') do
         .avatar-container.s40.settings-avatar
           = sprite_icon('user', size: 24)
         .sidebar-context-title User Settings
@@ -11,145 +11,145 @@
           .nav-icon-container
             = sprite_icon('profile')
           %span.nav-item-name
-            Profile
+            = _('Profile')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(path: 'profiles#show', html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_path do
               %strong.fly-out-top-item-name
-                #{ _('Profile') }
+                = _('Profile')
       = nav_link(controller: [:accounts, :two_factor_auths]) do
         = link_to profile_account_path do
           .nav-icon-container
             = sprite_icon('account')
           %span.nav-item-name
-            Account
+            = _('Account')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: [:accounts, :two_factor_auths], html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_account_path do
               %strong.fly-out-top-item-name
-                #{ _('Account') }
+                = _('Account')
       - if Gitlab::CurrentSettings.user_oauth_applications?
         = nav_link(controller: 'oauth/applications') do
           = link_to applications_profile_path do
             .nav-icon-container
               = sprite_icon('applications')
             %span.nav-item-name
-              Applications
+              = _('Applications')
           %ul.sidebar-sub-level-items.is-fly-out-only
             = nav_link(controller: 'oauth/applications', html_options: { class: "fly-out-top-item" } ) do
               = link_to applications_profile_path do
                 %strong.fly-out-top-item-name
-                  #{ _('Applications') }
+                  = _('Applications')
       = nav_link(controller: :chat_names) do
         = link_to profile_chat_names_path do
           .nav-icon-container
             = sprite_icon('comment')
           %span.nav-item-name
-            Chat
+            = _('Chat')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :chat_names, html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_chat_names_path do
               %strong.fly-out-top-item-name
-                #{ _('Chat') }
+                = _('Chat')
       = nav_link(controller: :personal_access_tokens) do
         = link_to profile_personal_access_tokens_path do
           .nav-icon-container
             = sprite_icon('token')
           %span.nav-item-name
-            Access Tokens
+            = _('Access Tokens')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :personal_access_tokens, html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_personal_access_tokens_path do
               %strong.fly-out-top-item-name
-                #{ _('Access Tokens') }
+                = _('Access Tokens')
       = nav_link(controller: :emails) do
         = link_to profile_emails_path do
           .nav-icon-container
             = sprite_icon('mail')
           %span.nav-item-name
-            Emails
+            = _('Emails')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :emails, html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_emails_path do
               %strong.fly-out-top-item-name
-                #{ _('Emails') }
+                = _('Emails')
       - if current_user.allow_password_authentication?
         = nav_link(controller: :passwords) do
           = link_to edit_profile_password_path do
             .nav-icon-container
               = sprite_icon('lock')
             %span.nav-item-name
-              Password
+              = _('Password')
           %ul.sidebar-sub-level-items.is-fly-out-only
             = nav_link(controller: :passwords, html_options: { class: "fly-out-top-item" } ) do
               = link_to edit_profile_password_path do
                 %strong.fly-out-top-item-name
-                  #{ _('Password') }
+                  = _('Password')
       = nav_link(controller: :notifications) do
         = link_to profile_notifications_path do
           .nav-icon-container
             = sprite_icon('notifications')
           %span.nav-item-name
-            Notifications
+            = _('Notifications')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :notifications, html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_notifications_path do
               %strong.fly-out-top-item-name
-                #{ _('Notifications') }
+                = _('Notifications')
       = nav_link(controller: :keys) do
         = link_to profile_keys_path do
           .nav-icon-container
             = sprite_icon('key')
           %span.nav-item-name
-            SSH Keys
+            = _('SSH Keys')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :keys, html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_keys_path do
               %strong.fly-out-top-item-name
-                #{ _('SSH Keys') }
+                = _('SSH Keys')
       = nav_link(controller: :gpg_keys) do
         = link_to profile_gpg_keys_path do
           .nav-icon-container
             = sprite_icon('key-2')
           %span.nav-item-name
-            GPG Keys
+            = _('GPG Keys')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :gpg_keys, html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_gpg_keys_path do
               %strong.fly-out-top-item-name
-                #{ _('GPG Keys') }
+                = _('GPG Keys')
       = nav_link(controller: :preferences) do
         = link_to profile_preferences_path do
           .nav-icon-container
             = sprite_icon('preferences')
           %span.nav-item-name
-            Preferences
+            = _('Preferences')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :preferences, html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_preferences_path do
               %strong.fly-out-top-item-name
-                #{ _('Preferences') }
+                = _('Preferences')
       = nav_link(controller: :active_sessions) do
         = link_to profile_active_sessions_path do
           .nav-icon-container
             = sprite_icon('monitor-lines')
           %span.nav-item-name
-            Active Sessions
+            = _('Active Sessions')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(controller: :active_sessions, html_options: { class: "fly-out-top-item" } ) do
             = link_to profile_active_sessions_path do
               %strong.fly-out-top-item-name
-                #{ _('Active Sessions') }
+                = _('Active Sessions')
       = nav_link(path: 'profiles#audit_log') do
         = link_to audit_log_profile_path do
           .nav-icon-container
             = sprite_icon('log')
           %span.nav-item-name
-            Authentication log
+            = _('Authentication log')
         %ul.sidebar-sub-level-items.is-fly-out-only
           = nav_link(path: 'profiles#audit_log', html_options: { class: "fly-out-top-item" } ) do
             = link_to audit_log_profile_path do
               %strong.fly-out-top-item-name
-                #{ _('Authentication Log') }
+                = _('Authentication Log')
 
     = render 'shared/sidebar_toggle_button'
diff --git a/app/views/layouts/nav/sidebar/_project.html.haml b/app/views/layouts/nav/sidebar/_project.html.haml
index 33de74dbaa2..0ec61df1f0a 100644
--- a/app/views/layouts/nav/sidebar/_project.html.haml
+++ b/app/views/layouts/nav/sidebar/_project.html.haml
@@ -105,7 +105,7 @@
                     = number_with_delimiter(@project.open_issues_count(current_user))
             %li.divider.fly-out-top-item
             = nav_link(controller: :issues, action: :index) do
-              = link_to project_issues_path(@project), title: 'Issues' do
+              = link_to project_issues_path(@project), title: _('Issues') do
                 %span
                   = _('List')
 
@@ -115,14 +115,14 @@
                   = boards_link_text
 
             = nav_link(controller: :labels) do
-              = link_to project_labels_path(@project), title: 'Labels' do
+              = link_to project_labels_path(@project), title: _('Labels') do
                 %span
                   = _('Labels')
 
             = render_if_exists 'projects/sidebar/issues_service_desk'
 
             = nav_link(controller: :milestones) do
-              = link_to project_milestones_path(@project), title: 'Milestones', class: 'qa-milestones-link' do
+              = link_to project_milestones_path(@project), title: _('Milestones'), class: 'qa-milestones-link' do
                 %span
                   = _('Milestones')
       - if project_nav_tab? :external_issue_tracker
@@ -172,25 +172,25 @@
             %li.divider.fly-out-top-item
             - if project_nav_tab? :pipelines
               = nav_link(path: ['pipelines#index', 'pipelines#show']) do
-                = link_to project_pipelines_path(@project), title: 'Pipelines', class: 'shortcuts-pipelines' do
+                = link_to project_pipelines_path(@project), title: _('Pipelines'), class: 'shortcuts-pipelines' do
                   %span
                     = _('Pipelines')
 
             - if project_nav_tab? :builds
               = nav_link(controller: [:jobs, :artifacts]) do
-                = link_to project_jobs_path(@project), title: 'Jobs', class: 'shortcuts-builds' do
+                = link_to project_jobs_path(@project), title: _('Jobs'), class: 'shortcuts-builds' do
                   %span
                     = _('Jobs')
 
             - if project_nav_tab? :pipelines
               = nav_link(controller: :pipeline_schedules) do
-                = link_to pipeline_schedules_path(@project), title: 'Schedules', class: 'shortcuts-builds' do
+                = link_to pipeline_schedules_path(@project), title: _('Schedules'), class: 'shortcuts-builds' do
                   %span
                     = _('Schedules')
 
             - if @project.feature_available?(:builds, current_user) && !@project.empty_repo?
               = nav_link(path: 'pipelines#charts') do
-                = link_to charts_project_pipelines_path(@project), title: 'Charts', class: 'shortcuts-pipelines-charts' do
+                = link_to charts_project_pipelines_path(@project), title: _('Charts'), class: 'shortcuts-pipelines-charts' do
                   %span
                     = _('Charts')
 
@@ -242,7 +242,7 @@
                       %p= _('Allows you to add and manage Kubernetes clusters.')
                       %p
                         = _('Protip:')
-                        = link_to 'Auto DevOps', help_page_path('topics/autodevops/index.md')
+                        = link_to _('Auto DevOps'), help_page_path('topics/autodevops/index.md')
                         %span= _('uses Kubernetes clusters to deploy your code!')
                       %hr
                       %button.btn.btn-create.btn-sm.dismiss-feature-highlight{ type: 'button' }
@@ -305,11 +305,11 @@
                     = _('Settings')
               %li.divider.fly-out-top-item
               = nav_link(path: %w[projects#edit]) do
-                = link_to edit_project_path(@project), title: 'General' do
+                = link_to edit_project_path(@project), title: _('General') do
                   %span
                     = _('General')
             = nav_link(controller: :project_members) do
-              = link_to project_project_members_path(@project), title: 'Members' do
+              = link_to project_project_members_path(@project), title: _('Members') do
                 %span
                   = _('Members')
             - if can_edit
@@ -319,21 +319,21 @@
                     = _('Badges')
             - if can_edit
               = nav_link(controller: [:integrations, :services, :hooks, :hook_logs]) do
-                = link_to project_settings_integrations_path(@project), title: 'Integrations' do
+                = link_to project_settings_integrations_path(@project), title: _('Integrations') do
                   %span
                     = _('Integrations')
               = nav_link(controller: :repository) do
-                = link_to project_settings_repository_path(@project), title: 'Repository' do
+                = link_to project_settings_repository_path(@project), title: _('Repository') do
                   %span
                     = _('Repository')
               - if @project.feature_available?(:builds, current_user)
                 = nav_link(controller: :ci_cd) do
-                  = link_to project_settings_ci_cd_path(@project), title: 'CI / CD' do
+                  = link_to project_settings_ci_cd_path(@project), title: _('CI / CD') do
                     %span
                       = _('CI / CD')
               - if @project.pages_available?
                 = nav_link(controller: :pages) do
-                  = link_to project_pages_path(@project), title: 'Pages' do
+                  = link_to project_pages_path(@project), title: _('Pages') do
                     %span
                       = _('Pages')
 
@@ -341,7 +341,7 @@
 
       - else
         = nav_link(controller: :project_members) do
-          = link_to project_settings_members_path(@project), title: 'Members', class: 'shortcuts-tree' do
+          = link_to project_settings_members_path(@project), title: _('Members'), class: 'shortcuts-tree' do
             .nav-icon-container
               = sprite_icon('users')
             %span.nav-item-name
@@ -356,41 +356,41 @@
 
       -# Shortcut to Project > Activity
       %li.hidden
-        = link_to activity_project_path(@project), title: 'Activity', class: 'shortcuts-project-activity' do
+        = link_to activity_project_path(@project), title: _('Activity'), class: 'shortcuts-project-activity' do
           %span
-            Activity
+            = _('Activity')
 
       -# Shortcut to Repository > Graph (formerly, Network)
       - if project_nav_tab? :network
         %li.hidden
-          = link_to project_network_path(@project, current_ref), title: 'Network', class: 'shortcuts-network' do
-            Graph
+          = link_to project_network_path(@project, current_ref), title: _('Network'), class: 'shortcuts-network' do
+            = _('Graph')
 
       -# Shortcut to Repository > Charts (formerly, top-nav item "Graphs")
       - unless @project.empty_repo?
         %li.hidden
-          = link_to charts_project_graph_path(@project, current_ref), title: 'Charts', class: 'shortcuts-repository-charts' do
-            Charts
+          = link_to charts_project_graph_path(@project, current_ref), title: _('Charts'), class: 'shortcuts-repository-charts' do
+            = _('Charts')
 
       -# Shortcut to Issues > New Issue
       - if project_nav_tab?(:issues)
         %li.hidden
           = link_to new_project_issue_path(@project), class: 'shortcuts-new-issue' do
-            Create a new issue
+            = _('Create a new issue')
 
       -# Shortcut to Pipelines > Jobs
       - if project_nav_tab? :builds
         %li.hidden
-          = link_to project_jobs_path(@project), title: 'Jobs', class: 'shortcuts-builds' do
-            Jobs
+          = link_to project_jobs_path(@project), title: _('Jobs'), class: 'shortcuts-builds' do
+            = _('Jobs')
 
       -# Shortcut to commits page
       - if project_nav_tab? :commits
         %li.hidden
-          = link_to project_commits_path(@project), title: 'Commits', class: 'shortcuts-commits' do
-            Commits
+          = link_to project_commits_path(@project), title: _('Commits'), class: 'shortcuts-commits' do
+            = _('Commits')
 
       -# Shortcut to issue boards
       - if project_nav_tab?(:issues)
         %li.hidden
-          = link_to 'Issue Boards', project_boards_path(@project), title: 'Issue Boards', class: 'shortcuts-issue-boards'
+          = link_to _('Issue Boards'), project_boards_path(@project), title: _('Issue Boards'), class: 'shortcuts-issue-boards'
diff --git a/app/views/layouts/notify.html.haml b/app/views/layouts/notify.html.haml
index ab8b1271212..31e02f1ee19 100644
--- a/app/views/layouts/notify.html.haml
+++ b/app/views/layouts/notify.html.haml
@@ -14,13 +14,12 @@
         %br
         - if @target_url
           - if @reply_by_email
-            Reply to this email directly or
-            #{link_to "view it on GitLab", @target_url}.
+            = _('Reply to this email directly or %{view_it_on_gitlab}.') % { view_it_on_gitlab: link_to(_("view it on GitLab"), @target_url) }
           - else
-            #{link_to "View it on GitLab", @target_url}.
+            #{link_to _("View it on GitLab"), @target_url}.
           %br
           -# Don't link the host in the line below, one link in the email is easier to quickly click than two.
-          You're receiving this email because #{notification_reason_text(@reason)}.
+          = _("You're receiving this email because %{reason}.") % { reason: notification_reason_text(@reason) }
           If you'd like to receive fewer emails, you can
           - if @labels_url
             adjust your #{link_to 'label subscriptions', @labels_url}.
diff --git a/app/views/layouts/profile.html.haml b/app/views/layouts/profile.html.haml
index 67aa05b655c..7aca64663e0 100644
--- a/app/views/layouts/profile.html.haml
+++ b/app/views/layouts/profile.html.haml
@@ -1,5 +1,5 @@
-- page_title    "User Settings"
-- header_title  "User Settings", profile_path unless header_title
+- page_title    _("User Settings")
+- header_title  _("User Settings"), profile_path unless header_title
 - sidebar       "dashboard"
 - nav           "profile"
 - @left_sidebar = true
diff --git a/app/views/layouts/project_settings.html.haml b/app/views/layouts/project_settings.html.haml
index 4bc94bd132d..93214c2a674 100644
--- a/app/views/layouts/project_settings.html.haml
+++ b/app/views/layouts/project_settings.html.haml
@@ -1,4 +1,4 @@
-- page_title  "Settings"
+- page_title  _("Settings")
 - nav         "project"
 
 = render template: "layouts/project"
diff --git a/app/views/layouts/search.html.haml b/app/views/layouts/search.html.haml
index fd4c7ad21a7..dd4b9e45207 100644
--- a/app/views/layouts/search.html.haml
+++ b/app/views/layouts/search.html.haml
@@ -1,4 +1,4 @@
-- page_title    "Search"
-- header_title  "Search", search_path
+- page_title    _("Search")
+- header_title  _("Search"), search_path
 
 = render template: "layouts/application"
diff --git a/app/views/layouts/snippets.html.haml b/app/views/layouts/snippets.html.haml
index 849075a0ba5..6418500d5d1 100644
--- a/app/views/layouts/snippets.html.haml
+++ b/app/views/layouts/snippets.html.haml
@@ -1,4 +1,4 @@
-- header_title  "Snippets", snippets_path
+- header_title  _("Snippets"), snippets_path
 
 - content_for :page_specific_javascripts do
   - if @snippet && current_user
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 75b88a2cb2f..6755c281a53 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -240,6 +240,12 @@ msgstr ""
 msgid "A user with write access to the source branch selected this option"
 msgstr ""
 
+msgid "About GitLab"
+msgstr ""
+
+msgid "About GitLab CE"
+msgstr ""
+
 msgid "About auto deploy"
 msgstr ""
 
@@ -312,6 +318,15 @@ msgstr ""
 msgid "Add users to group"
 msgstr ""
 
+msgid "Admin Area"
+msgstr ""
+
+msgid "Admin Overview"
+msgstr ""
+
+msgid "Admin area"
+msgstr ""
+
 msgid "AdminArea|Stop all jobs"
 msgstr ""
 
@@ -504,6 +519,9 @@ msgstr ""
 msgid "Anonymous"
 msgstr ""
 
+msgid "Anti-spam verification"
+msgstr ""
+
 msgid "Any"
 msgstr ""
 
@@ -597,6 +615,9 @@ msgstr ""
 msgid "Authentication Log"
 msgstr ""
 
+msgid "Authentication log"
+msgstr ""
+
 msgid "Author"
 msgstr ""
 
@@ -621,6 +642,9 @@ msgstr ""
 msgid "Authors: %{authors}"
 msgstr ""
 
+msgid "Auto DevOps"
+msgstr ""
+
 msgid "Auto DevOps enabled"
 msgstr ""
 
@@ -678,6 +702,9 @@ msgstr ""
 msgid "Average per day: %{average}"
 msgstr ""
 
+msgid "Background Jobs"
+msgstr ""
+
 msgid "Background color"
 msgstr ""
 
@@ -765,6 +792,9 @@ msgstr ""
 msgid "Bitbucket import"
 msgstr ""
 
+msgid "Blog"
+msgstr ""
+
 msgid "Boards"
 msgstr ""
 
@@ -1529,6 +1559,9 @@ msgstr ""
 msgid "ClusterIntegration|sign up"
 msgstr ""
 
+msgid "Cohorts"
+msgstr ""
+
 msgid "Collapse"
 msgstr ""
 
@@ -1755,6 +1788,9 @@ msgstr ""
 msgid "Control the display of third party offers."
 msgstr ""
 
+msgid "ConvDev Index"
+msgstr ""
+
 msgid "Copy URL to clipboard"
 msgstr ""
 
@@ -1791,6 +1827,9 @@ msgstr ""
 msgid "Create a new branch and merge request"
 msgstr ""
 
+msgid "Create a new issue"
+msgstr ""
+
 msgid "Create a personal access token on your account to pull or push via %{protocol}."
 msgstr ""
 
@@ -1917,6 +1956,9 @@ msgstr ""
 msgid "CycleAnalyticsStage|Test"
 msgstr ""
 
+msgid "Dashboard"
+msgstr ""
+
 msgid "DashboardProjects|All"
 msgstr ""
 
@@ -2396,6 +2438,9 @@ msgstr ""
 msgid "Every week (Sundays at 4:00am)"
 msgstr ""
 
+msgid "Everyone can contribute"
+msgstr ""
+
 msgid "Expand"
 msgstr ""
 
@@ -2405,6 +2450,9 @@ msgstr ""
 msgid "Expand sidebar"
 msgstr ""
 
+msgid "Explore"
+msgstr ""
+
 msgid "Explore GitLab"
 msgstr ""
 
@@ -2420,6 +2468,9 @@ msgstr ""
 msgid "Explore public groups"
 msgstr ""
 
+msgid "Facebook"
+msgstr ""
+
 msgid "Failed"
 msgstr ""
 
@@ -2671,6 +2722,9 @@ msgstr ""
 msgid "Group avatar"
 msgstr ""
 
+msgid "Group details"
+msgstr ""
+
 msgid "Group info:"
 msgstr ""
 
@@ -2994,6 +3048,9 @@ msgstr ""
 msgid "Koding"
 msgstr ""
 
+msgid "Koding Dashboard"
+msgstr ""
+
 msgid "Kubernetes"
 msgstr ""
 
@@ -3116,6 +3173,9 @@ msgstr ""
 msgid "Leave the \"File type\" and \"Delivery method\" options on their default values."
 msgstr ""
 
+msgid "LinkedIn"
+msgstr ""
+
 msgid "List"
 msgstr ""
 
@@ -3152,9 +3212,15 @@ msgstr ""
 msgid "Locked to current projects"
 msgstr ""
 
+msgid "Logs"
+msgstr ""
+
 msgid "Make sure you're logged into the account that owns the projects you'd like to import."
 msgstr ""
 
+msgid "Manage Git repositories with fine-grained access controls that keep your code secure. Perform code reviews and enhance collaboration with merge requests. Each project can also have an issue tracker and a wiki."
+msgstr ""
+
 msgid "Manage access"
 msgstr ""
 
@@ -3335,6 +3401,9 @@ msgstr ""
 msgid "Monitoring"
 msgstr ""
 
+msgid "More"
+msgstr ""
+
 msgid "More actions"
 msgstr ""
 
@@ -3377,6 +3446,9 @@ msgstr ""
 msgid "Nav|Sign out and sign in with a different account"
 msgstr ""
 
+msgid "Network"
+msgstr ""
+
 msgid "New"
 msgstr ""
 
@@ -3451,6 +3523,9 @@ msgstr ""
 msgid "New tag"
 msgstr ""
 
+msgid "New..."
+msgstr ""
+
 msgid "No"
 msgstr ""
 
@@ -3631,6 +3706,12 @@ msgstr ""
 msgid "Open in Xcode"
 msgstr ""
 
+msgid "Open sidebar"
+msgstr ""
+
+msgid "Open source software to collaborate on code"
+msgstr ""
+
 msgid "OpenedNDaysAgo|Opened"
 msgstr ""
 
@@ -3931,6 +4012,9 @@ msgstr ""
 msgid "Profile"
 msgstr ""
 
+msgid "Profile Settings"
+msgstr ""
+
 msgid "Profiles|Account scheduled for removal."
 msgstr ""
 
@@ -4261,6 +4345,9 @@ msgstr ""
 msgid "Remove project"
 msgstr ""
 
+msgid "Reply to this email directly or %{view_it_on_gitlab}."
+msgstr ""
+
 msgid "Repository"
 msgstr ""
 
@@ -4282,6 +4369,9 @@ msgstr ""
 msgid "Request Access"
 msgstr ""
 
+msgid "Requests Profiles"
+msgstr ""
+
 msgid "Require all users to accept Terms of Service and Privacy Policy when they access GitLab."
 msgstr ""
 
@@ -4530,6 +4620,9 @@ msgstr ""
 msgid "Shared Runners"
 msgstr ""
 
+msgid "Sherlock Transactions"
+msgstr ""
+
 msgid "Show command"
 msgstr ""
 
@@ -4559,6 +4652,12 @@ msgstr[1] ""
 msgid "Side-by-side"
 msgstr ""
 
+msgid "Sign in"
+msgstr ""
+
+msgid "Sign in / Register"
+msgstr ""
+
 msgid "Sign out"
 msgstr ""
 
@@ -4772,6 +4871,9 @@ msgstr ""
 msgid "Status"
 msgstr ""
 
+msgid "Stop impersonation"
+msgstr ""
+
 msgid "Stop this environment"
 msgstr ""
 
@@ -4805,6 +4907,9 @@ msgstr ""
 msgid "System Hooks"
 msgstr ""
 
+msgid "System Info"
+msgstr ""
+
 msgid "Tag (%{tag_count})"
 msgid_plural "Tags (%{tag_count})"
 msgstr[0] ""
@@ -5044,6 +5149,9 @@ msgstr ""
 msgid "This directory"
 msgstr ""
 
+msgid "This group"
+msgstr ""
+
 msgid "This group does not provide any group Runners yet."
 msgstr ""
 
@@ -5333,12 +5441,18 @@ msgstr ""
 msgid "Todo"
 msgstr ""
 
+msgid "Todos"
+msgstr ""
+
 msgid "Toggle Sidebar"
 msgstr ""
 
 msgid "Toggle discussion"
 msgstr ""
 
+msgid "Toggle navigation"
+msgstr ""
+
 msgid "Toggle sidebar"
 msgstr ""
 
@@ -5375,6 +5489,9 @@ msgstr ""
 msgid "Try again"
 msgstr ""
 
+msgid "Twitter"
+msgstr ""
+
 msgid "Unable to load the diff. %{button_try_again}"
 msgstr ""
 
@@ -5464,6 +5581,9 @@ msgstr ""
 msgid "Use your global notification setting"
 msgstr ""
 
+msgid "User Settings"
+msgstr ""
+
 msgid "User and IP Rate Limits"
 msgstr ""
 
@@ -5497,6 +5617,9 @@ msgstr ""
 msgid "View group labels"
 msgstr ""
 
+msgid "View it on GitLab"
+msgstr ""
+
 msgid "View jobs"
 msgstr ""
 
@@ -5539,6 +5662,9 @@ msgstr ""
 msgid "Want to see the data? Please ask an administrator for access."
 msgstr ""
 
+msgid "We detected potential spam in the %{humanized_resource_name}. Please solve the reCAPTCHA to proceed."
+msgstr ""
+
 msgid "We don't have enough data to show this stage."
 msgstr ""
 
@@ -5812,9 +5938,18 @@ msgstr ""
 msgid "You'll need to use different branch names to get a valid comparison."
 msgstr ""
 
+msgid "You're receiving this email because %{reason}."
+msgstr ""
+
+msgid "You're receiving this email because of your account on %{host}."
+msgstr ""
+
 msgid "You're receiving this email because of your account on %{host}. %{manage_notifications_link} &middot; %{help_link}"
 msgstr ""
 
+msgid "YouTube"
+msgstr ""
+
 msgid "Your Groups"
 msgstr ""
 
@@ -6130,6 +6265,9 @@ msgstr ""
 msgid "uses Kubernetes clusters to deploy your code!"
 msgstr ""
 
+msgid "view it on GitLab"
+msgstr ""
+
 msgid "with %{additions} additions, %{deletions} deletions."
 msgstr ""
 
diff --git a/qa/qa/page/menu/side.rb b/qa/qa/page/menu/side.rb
index c14a835c2c9..354ccec2a5a 100644
--- a/qa/qa/page/menu/side.rb
+++ b/qa/qa/page/menu/side.rb
@@ -5,8 +5,8 @@ module QA
         view 'app/views/layouts/nav/sidebar/_project.html.haml' do
           element :settings_item
           element :settings_link, 'link_to edit_project_path'
-          element :repository_link, "title: 'Repository'"
-          element :pipelines_settings_link, "title: 'CI / CD'"
+          element :repository_link, "title: _('Repository')"
+          element :pipelines_settings_link, "title: _('CI / CD')"
           element :operations_kubernetes_link, "title: _('Kubernetes')"
           element :issues_link, /link_to.*shortcuts-issues/
           element :issues_link_text, "Issues"
@@ -14,7 +14,7 @@ module QA
           element :merge_requests_link_text, "Merge Requests"
           element :top_level_items, '.sidebar-top-level-items'
           element :operations_section, "class: 'shortcuts-operations'"
-          element :activity_link, "title: 'Activity'"
+          element :activity_link, "title: _('Activity')"
           element :wiki_link_text, "Wiki"
           element :milestones_link
         end
diff --git a/qa/qa/page/project/show.rb b/qa/qa/page/project/show.rb
index 1d3dad4cda0..c751b472535 100644
--- a/qa/qa/page/project/show.rb
+++ b/qa/qa/page/project/show.rb
@@ -14,7 +14,7 @@ module QA
 
         view 'app/views/layouts/header/_new_dropdown.haml' do
           element :new_menu_toggle
-          element :new_issue_link, "link_to 'New issue', new_project_issue_path(@project)"
+          element :new_issue_link, "link_to _('New issue'), new_project_issue_path(@project)"
         end
 
         view 'app/views/shared/_ref_switcher.html.haml' do