diff --git a/app/views/projects/blob/_breadcrumb.html.haml b/app/views/projects/blob/_breadcrumb.html.haml
index a4fb5f6ba8843508e57e819fedc9234156d6615d..ea1ffc8da0c2f59dac5b5829d1f7600ac64b4b0c 100644
--- a/app/views/projects/blob/_breadcrumb.html.haml
+++ b/app/views/projects/blob/_breadcrumb.html.haml
@@ -24,14 +24,14 @@
       -# only show normal/blame view links for text files
       - if blob.readable_text?
         - if blame
-          = link_to 'Normal view', project_blob_path(@project, @id),
+          = link_to _('Normal view'), project_blob_path(@project, @id),
               class: 'btn'
         - else
-          = link_to 'Blame', project_blame_path(@project, @id),
+          = link_to _('Blame'), project_blame_path(@project, @id),
               class: 'btn js-blob-blame-link' unless blob.empty?
 
-      = link_to 'History', project_commits_path(@project, @id),
+      = link_to _('History'), project_commits_path(@project, @id),
           class: 'btn'
 
-      = link_to 'Permalink', project_blob_path(@project,
+      = link_to _('Permalink'), project_blob_path(@project,
           tree_join(@commit.sha, @path)), class: 'btn js-data-file-blob-permalink-url'
diff --git a/app/views/projects/blob/_editor.html.haml b/app/views/projects/blob/_editor.html.haml
index 8560b72fe85b2b8f131d3b18f4a17ddb8ca22289..522509d76a42527c97233905fd8f5429ff69bd84 100644
--- a/app/views/projects/blob/_editor.html.haml
+++ b/app/views/projects/blob/_editor.html.haml
@@ -13,17 +13,17 @@
     - if current_action?(:new) || current_action?(:create)
       %span.editor-file-name
         \/
-      = text_field_tag 'file_name', params[:file_name], placeholder: "File name",
+      = text_field_tag 'file_name', params[:file_name], placeholder: _("File name"),
         required: true, class: 'form-control new-file-name js-file-path-name-input'
 
     .float-right.file-buttons
       = button_tag class: 'soft-wrap-toggle btn', type: 'button', tabindex: '-1' do
         %span.no-wrap
           = custom_icon('icon_no_wrap')
-          No wrap
+          = _("No wrap")
         %span.soft-wrap
           = custom_icon('icon_soft_wrap')
-          Soft wrap
+          = _("Soft wrap")
       .encoding-selector
         = select_tag :encoding, options_for_select([ "base64", "text" ], "text"), class: 'select2', tabindex: '-1'
 
diff --git a/app/views/projects/blob/_new_dir.html.haml b/app/views/projects/blob/_new_dir.html.haml
index 6f3a691518bde1f341cd783163f50d5e7b94a905..9193ae46f08c494f6382c1051dbebd20ae88e3e1 100644
--- a/app/views/projects/blob/_new_dir.html.haml
+++ b/app/views/projects/blob/_new_dir.html.haml
@@ -16,6 +16,6 @@
 
           .form-actions
             = submit_tag _("Create directory"), class: 'btn btn-create'
-            = link_to "Cancel", '#', class: "btn btn-cancel", "data-dismiss" => "modal"
+            = link_to _("Cancel"), '#', class: "btn btn-cancel", "data-dismiss" => "modal"
 
             = render 'shared/projects/edit_information'
diff --git a/app/views/projects/blob/_remove.html.haml b/app/views/projects/blob/_remove.html.haml
index f80bae5c88c017a30b87b366ceb0f0ba8483d0aa..c7ed9387023d26090cbd98c2e2f277c4d6b6a55f 100644
--- a/app/views/projects/blob/_remove.html.haml
+++ b/app/views/projects/blob/_remove.html.haml
@@ -2,15 +2,15 @@
   .modal-dialog
     .modal-content
       .modal-header
-        %h3.page-title Delete #{@blob.name}
+        %h3.page-title= _("Delete %{name}") % { name: @blob.name }
         %button.close{ type: "button", "data-dismiss": "modal", "aria-label" => _('Close') }
           %span{ "aria-hidden": true } ×
 
       .modal-body
         = form_tag project_blob_path(@project, @id), method: :delete, class: 'js-delete-blob-form js-quick-submit js-requires-input' do
-          = render 'shared/new_commit_form', placeholder: "Delete #{@blob.name}"
+          = render 'shared/new_commit_form', placeholder: _("Delete %{name}") % { name: @blob.name }
 
           .form-group.row
             .offset-sm-2.col-sm-10
-              = button_tag 'Delete file', class: 'btn btn-remove btn-remove-file'
-              = link_to "Cancel", '#', class: "btn btn-cancel", "data-dismiss" => "modal"
+              = button_tag _('Delete file'), class: 'btn btn-remove btn-remove-file'
+              = link_to _("Cancel"), '#', class: "btn btn-cancel", "data-dismiss" => "modal"
diff --git a/app/views/projects/blob/_render_error.html.haml b/app/views/projects/blob/_render_error.html.haml
index 9eef6cafd04c955fc355f05c1d5f02d7c220eedb..62e7286c92acc8275b9912b70c8fd8d2b73c665f 100644
--- a/app/views/projects/blob/_render_error.html.haml
+++ b/app/views/projects/blob/_render_error.html.haml
@@ -1,6 +1,6 @@
 .file-content.code
   .nothing-here-block
-    The #{viewer.switcher_title} could not be displayed because #{blob_render_error_reason(viewer)}.
+    = _("The %{title} could not be displayed because %{viewer}.") % { title: viewer.switcher_title, viewer: blob_render_error_reason(viewer) }
 
     You can
     = blob_render_error_options(viewer).to_sentence(two_words_connector: ' or ', last_word_connector: ', or ').html_safe
diff --git a/app/views/projects/blob/_template_selectors.html.haml b/app/views/projects/blob/_template_selectors.html.haml
index 5b0924274961cc37c452c67eb5519cf86f956d84..febfd9e3c6aa2b469d8460b2f6f74aefe9e6aa3e 100644
--- a/app/views/projects/blob/_template_selectors.html.haml
+++ b/app/views/projects/blob/_template_selectors.html.haml
@@ -1,17 +1,17 @@
 .template-selectors-menu
   .templates-selectors-label
-    Template
+    = _("Template")
   .template-selector-dropdowns-wrap
     .template-type-selector.js-template-type-selector-wrap.hidden
-      = dropdown_tag("Choose type", options: { toggle_class: 'js-template-type-selector', title: "Choose a template type" } )
+      = dropdown_tag(_("Choose type"), options: { toggle_class: 'js-template-type-selector', title: _("Choose a template type") } )
     .license-selector.js-license-selector-wrap.js-template-selector-wrap.hidden
-      = dropdown_tag("Apply a license template", options: { toggle_class: 'js-license-selector', title: "Apply a license", filter: true, placeholder: "Filter", data: { data: licenses_for_select, project: @project.name, fullname: @project.namespace.human_name } } )
+      = dropdown_tag(_("Apply a license template"), options: { toggle_class: 'js-license-selector', title: _("Apply a license"), filter: true, placeholder: _("Filter"), data: { data: licenses_for_select, project: @project.name, fullname: @project.namespace.human_name } } )
     .gitignore-selector.js-gitignore-selector-wrap.js-template-selector-wrap.hidden
-      = dropdown_tag("Apply a .gitignore template", options: { toggle_class: 'js-gitignore-selector', title: "Apply a template", filter: true, placeholder: "Filter", data: { data: gitignore_names } } )
+      = dropdown_tag(_("Apply a .gitignore template"), options: { toggle_class: 'js-gitignore-selector', title: _("Apply a template"), filter: true, placeholder: _("Filter"), data: { data: gitignore_names } } )
     .gitlab-ci-yml-selector.js-gitlab-ci-yml-selector-wrap.js-template-selector-wrap.hidden
-      = dropdown_tag("Apply a GitLab CI Yaml template", options: { toggle_class: 'js-gitlab-ci-yml-selector', title: "Apply a template", filter: true, placeholder: "Filter", data: { data: gitlab_ci_ymls } } )
+      = dropdown_tag(_("Apply a GitLab CI Yaml template"), options: { toggle_class: 'js-gitlab-ci-yml-selector', title: _("Apply a template"), filter: true, placeholder: _("Filter"), data: { data: gitlab_ci_ymls } } )
     .dockerfile-selector.js-dockerfile-selector-wrap.js-template-selector-wrap.hidden
-      = dropdown_tag("Apply a Dockerfile template", options: { toggle_class: 'js-dockerfile-selector', title: "Apply a template", filter: true, placeholder: "Filter", data: { data: dockerfile_names } } )
+      = dropdown_tag(_("Apply a Dockerfile template"), options: { toggle_class: 'js-dockerfile-selector', title: _("Apply a template"), filter: true, placeholder: _("Filter"), data: { data: dockerfile_names } } )
   .template-selectors-undo-menu.hidden
-    %span.text-info Template applied
-    %button.btn.btn-sm.btn-info Undo
+    %span.text-info= _('Template applied')
+    %button.btn.btn-sm.btn-info= _('Undo')
diff --git a/app/views/projects/blob/_viewer_switcher.html.haml b/app/views/projects/blob/_viewer_switcher.html.haml
index 6a521069418e79cb612a0feeea604138cbbc035f..0c730ba575ec0edb51ab9b3923493f9767a99c32 100644
--- a/app/views/projects/blob/_viewer_switcher.html.haml
+++ b/app/views/projects/blob/_viewer_switcher.html.haml
@@ -3,10 +3,10 @@
   - rich_viewer = blob.rich_viewer
 
   .btn-group.js-blob-viewer-switcher{ role: "group" }
-    - simple_label = "Display #{simple_viewer.switcher_title}"
+    - simple_label = _("Display %{simple_viewer}") % { simple_viewer: simple_viewer.switcher_title }
     %button.btn.btn-default.btn-sm.js-blob-viewer-switch-btn.has-tooltip{ 'aria-label' => simple_label, title: simple_label, data: { viewer: 'simple', container: 'body' } }>
       = icon(simple_viewer.switcher_icon)
 
-    - rich_label = "Display #{rich_viewer.switcher_title}"
+    - rich_label = _("Display %{rich_viewer}") % { rich_viewer: rich_viewer.switcher_title }
     %button.btn.btn-default.btn-sm.js-blob-viewer-switch-btn.has-tooltip{ 'aria-label' => rich_label, title: rich_label, data: { viewer: 'rich', container: 'body' } }>
       = icon(rich_viewer.switcher_icon)
diff --git a/app/views/projects/blob/edit.html.haml b/app/views/projects/blob/edit.html.haml
index 27cf040da7cc8994533292d269d67c5f9529c580..38bc3e9ed983c0309ec55c1fa15ef2502504d627 100644
--- a/app/views/projects/blob/edit.html.haml
+++ b/app/views/projects/blob/edit.html.haml
@@ -1,24 +1,23 @@
-- breadcrumb_title "Repository"
+- breadcrumb_title _("Repository")
 - @no_container = true
-- page_title "Edit", @blob.path, @ref
+- page_title _("Edit"), @blob.path, @ref
 - content_for :page_specific_javascripts do
   = page_specific_javascript_tag('lib/ace.js')
 
 %div{ class: container_class }
   - if @conflict
     .alert.alert-danger
-      Someone edited the file the same time you did. Please check out
-      = link_to "the file", project_blob_path(@project, tree_join(@branch_name, @file_path)), target: "_blank", rel: 'noopener noreferrer'
-      and make sure your changes will not unintentionally remove theirs.
+      - link_to_the_file = link_to(_("the file"), project_blob_path(@project, tree_join(@branch_name, @file_path)), target: "_blank", rel: 'noopener noreferrer')
+      = _("Someone edited the file the same time you did. Please check out %{link_to_the_file} and make sure your changes will not unintentionally remove theirs.").html_safe % { link_to_the_file: link_to_the_file }
   .editor-title-row
     %h3.page-title.blob-edit-page-title
-      Edit file
+      = _("Edit file")
     = render 'template_selectors'
   .file-editor
     %ul.nav-links.no-bottom.js-edit-mode.nav.nav-tabs
       %li.active
         = link_to '#editor' do
-          Write
+          = _("Write")
 
       %li
         = link_to '#preview', 'data-preview-url' => project_preview_blob_path(@project, @id) do
@@ -26,7 +25,7 @@
 
     = form_tag(project_update_blob_path(@project, @id), method: :put, class: 'js-quick-submit js-requires-input js-edit-blob-form', data: blob_editor_paths) do
       = render 'projects/blob/editor', ref: @ref, path: @path, blob_data: @blob.data
-      = render 'shared/new_commit_form', placeholder: "Update #{@blob.name}"
+      = render 'shared/new_commit_form', placeholder: _("Update %{name}") % { name: @blob.name }
       = hidden_field_tag 'last_commit_sha', @last_commit_sha
       = hidden_field_tag 'content', '', id: "file-content"
       = hidden_field_tag 'from_merge_request_iid', params[:from_merge_request_iid]
diff --git a/app/views/projects/blob/new.html.haml b/app/views/projects/blob/new.html.haml
index 39442564a2b14c62dd7e3455d8cb5190d30740ac..f1908de23eba6bd7e135b4212966aec9718a09a4 100644
--- a/app/views/projects/blob/new.html.haml
+++ b/app/views/projects/blob/new.html.haml
@@ -1,15 +1,15 @@
-- breadcrumb_title "Repository"
-- page_title "New File", @path.presence, @ref
+- breadcrumb_title _("Repository")
+- page_title _("New File"), @path.presence, @ref
 - content_for :page_specific_javascripts do
   = page_specific_javascript_tag('lib/ace.js')
 .editor-title-row
   %h3.page-title.blob-new-page-title
-    New file
+    = _("New file")
   = render 'template_selectors'
 .file-editor
   = form_tag(project_create_blob_path(@project, @id), method: :post, class: 'js-edit-blob-form js-new-blob-form js-quick-submit js-requires-input', data: blob_editor_paths) do
     = render 'projects/blob/editor', ref: @ref
-    = render 'shared/new_commit_form', placeholder: "Add new file"
+    = render 'shared/new_commit_form', placeholder: _("Add new file")
 
     = hidden_field_tag 'content', '', id: 'file-content'
     = render 'projects/commit_button', ref: @ref,
diff --git a/app/views/projects/blob/preview.html.haml b/app/views/projects/blob/preview.html.haml
index da2cef17e8a4ef4681b1d2efc06cc4b208b9317d..cbde7e401f7a3d8237f83504ff0cc7c2ef744aa9 100644
--- a/app/views/projects/blob/preview.html.haml
+++ b/app/views/projects/blob/preview.html.haml
@@ -18,4 +18,4 @@
                   %td.new_line.diff-line-num
                   %td.line_content{ class: "#{line.type}" }= diff_line_content(line.text)
         - else
-          .nothing-here-block No changes.
+          .nothing-here-block= _("No changes.")
diff --git a/app/views/projects/blob/show.html.haml b/app/views/projects/blob/show.html.haml
index a0b0384d78d25dfd44d6dd7b87d81c31bbcb501e..4fc3d2f78e6cfd89e1b12f2efedc763bebf8b577 100644
--- a/app/views/projects/blob/show.html.haml
+++ b/app/views/projects/blob/show.html.haml
@@ -1,4 +1,4 @@
-- breadcrumb_title "Repository"
+- breadcrumb_title _("Repository")
 - @no_container = true
 
 - page_title @blob.path, @ref
@@ -15,5 +15,5 @@
     - if can_modify_blob?(@blob)
       = render 'projects/blob/remove'
 
-    - title = "Replace #{@blob.name}"
-    = render 'projects/blob/upload', title: title, placeholder: title, button_title: 'Replace file', form_path: project_update_blob_path(@project, @id), method: :put
+    - title = _("Replace %{name}") % { name: @blob.name }
+    = render 'projects/blob/upload', title: title, placeholder: title, button_title: _('Replace file'), form_path: project_update_blob_path(@project, @id), method: :put
diff --git a/app/views/projects/blob/viewers/_changelog.html.haml b/app/views/projects/blob/viewers/_changelog.html.haml
index 46e3e7f798a7db0b51e872033dce2d8fc5c89c23..c9f34988e68dfda41405429a01cb61c86149b796 100644
--- a/app/views/projects/blob/viewers/_changelog.html.haml
+++ b/app/views/projects/blob/viewers/_changelog.html.haml
@@ -1,4 +1,3 @@
 = icon('history fw')
-= succeed '.' do
-  To find the state of this project's repository at the time of any of these versions, check out
-  = link_to "the tags", project_tags_path(viewer.project)
+- link_to_tags = link_to(_("the tags"), project_tags_path(viewer.project))
+= _("To find the state of this project's repository at the time of any of these versions, check out %{link_to_tags}.").html_safe % { link_to_tags: link_to_tags }
diff --git a/app/views/projects/blob/viewers/_contributing.html.haml b/app/views/projects/blob/viewers/_contributing.html.haml
index c78f04c9c7c80f8d83eb98a6775d81b87ade8714..0a68f58fbd0b617667f024702fb4c689ed81d828 100644
--- a/app/views/projects/blob/viewers/_contributing.html.haml
+++ b/app/views/projects/blob/viewers/_contributing.html.haml
@@ -1,9 +1,9 @@
 = icon('book fw')
-After you've reviewed these contribution guidelines, you'll be all set to
+= _("After you've reviewed these contribution guidelines, you'll be all set to")
 
 - options = contribution_options(viewer.project)
 - if options.any?
   = succeed '.' do
     = options.to_sentence(two_words_connector: ' or ', last_word_connector: ', or ').html_safe
 - else
-  contribute to this project.
+  = _("contribute to this project.")
diff --git a/app/views/projects/blob/viewers/_dependency_manager.html.haml b/app/views/projects/blob/viewers/_dependency_manager.html.haml
index 87aa7c1dbf8deb762423ce544be21752894d26fb..6ca1b81371ebacad422dbc96b62103f384fdb4f1 100644
--- a/app/views/projects/blob/viewers/_dependency_manager.html.haml
+++ b/app/views/projects/blob/viewers/_dependency_manager.html.haml
@@ -1,11 +1,10 @@
 = icon('cubes fw')
 = succeed '.' do
-  This project manages its dependencies using
-  %strong= viewer.manager_name
+  = _("This project manages its dependencies using <strong>%{manager_name}</strong>").html_safe % { manager_name: viewer.manager_name }
 
   - if viewer.package_name
-    and defines a #{viewer.package_type} named
+    = _("and defines a %{package_type} named") % { package_type: viewer.package_type }
     %strong<
       = link_to_if viewer.package_url.present?, viewer.package_name, viewer.package_url, target: '_blank', rel: 'noopener noreferrer'
 
-= link_to 'Learn more', viewer.manager_url, target: '_blank', rel: 'noopener noreferrer'
+= link_to _('Learn more'), viewer.manager_url, target: '_blank', rel: 'noopener noreferrer'
diff --git a/app/views/projects/blob/viewers/_download.html.haml b/app/views/projects/blob/viewers/_download.html.haml
index fda4b9c92cd9e0254cd93c8705a30a14f90d9ed5..53eeec7344a1a51a6fe2ee7eb5af9279203c6fbb 100644
--- a/app/views/projects/blob/viewers/_download.html.haml
+++ b/app/views/projects/blob/viewers/_download.html.haml
@@ -4,4 +4,4 @@
       %h1.light
         = sprite_icon('download')
       %h4
-        Download (#{number_to_human_size(viewer.blob.raw_size)})
+        = _("Download (%{size})") % { size: number_to_human_size(viewer.blob.raw_size) }
diff --git a/app/views/projects/blob/viewers/_empty.html.haml b/app/views/projects/blob/viewers/_empty.html.haml
index a293a8de231dbbad24879b30df5a4927a6c78e33..c15dabc9111f5d89dbed9ee6facfa5ecb8d7cda0 100644
--- a/app/views/projects/blob/viewers/_empty.html.haml
+++ b/app/views/projects/blob/viewers/_empty.html.haml
@@ -1,3 +1,3 @@
 .file-content.code
   .nothing-here-block
-    Empty file
+    = _("Empty file")
diff --git a/app/views/projects/blob/viewers/_gitlab_ci_yml.html.haml b/app/views/projects/blob/viewers/_gitlab_ci_yml.html.haml
index 5be7cc7f25a8a93b4c9abf44f4fa3b3bff49c8eb..5499e2e4ea83906099d994e8ddb78cecc184c531 100644
--- a/app/views/projects/blob/viewers/_gitlab_ci_yml.html.haml
+++ b/app/views/projects/blob/viewers/_gitlab_ci_yml.html.haml
@@ -1,9 +1,9 @@
 - if viewer.valid?(@project, @commit.sha)
   = icon('check fw')
-  This GitLab CI configuration is valid.
+  = _("This GitLab CI configuration is valid.")
 - else
   = icon('warning fw')
-  This GitLab CI configuration is invalid:
+  = _("This GitLab CI configuration is invalid:")
   = viewer.validation_message(@project, @commit.sha)
 
-= link_to 'Learn more', help_page_path('ci/yaml/README')
+= link_to _('Learn more'), help_page_path('ci/yaml/README')
diff --git a/app/views/projects/blob/viewers/_gitlab_ci_yml_loading.html.haml b/app/views/projects/blob/viewers/_gitlab_ci_yml_loading.html.haml
index 10cbf6a2f7a5b4df0f19e8692ad4c010cc06233f..05a5e0902d7da90394e4c2751e22363fc0040024 100644
--- a/app/views/projects/blob/viewers/_gitlab_ci_yml_loading.html.haml
+++ b/app/views/projects/blob/viewers/_gitlab_ci_yml_loading.html.haml
@@ -1,4 +1,4 @@
 = icon('spinner spin fw')
-Validating GitLab CI configuration…
+= _("Validating GitLab CI configuration…")
 
-= link_to 'Learn more', help_page_path('ci/yaml/README')
+= link_to _('Learn more'), help_page_path('ci/yaml/README')
diff --git a/app/views/projects/blob/viewers/_license.html.haml b/app/views/projects/blob/viewers/_license.html.haml
index fb9d0b99d09ca612043dddc895b8204ae369138b..7bac2703a6d2e6f01d914ff5d0bd875ccfcdcda0 100644
--- a/app/views/projects/blob/viewers/_license.html.haml
+++ b/app/views/projects/blob/viewers/_license.html.haml
@@ -1,8 +1,6 @@
 - license = viewer.license
 
 = icon('balance-scale fw')
-This project is licensed under the
-= succeed '.' do
-  %strong= license.name
+= _("This project is licensed under the %{license_name}.") % { license_name: license.name }
 
-= link_to 'Learn more', license.url, target: '_blank', rel: 'noopener noreferrer'
+= link_to _('Learn more'), license.url, target: '_blank', rel: 'noopener noreferrer'
diff --git a/app/views/projects/blob/viewers/_loading.html.haml b/app/views/projects/blob/viewers/_loading.html.haml
index 120c0540335ababb4843fad8fa3d19cff077f4a7..a7062e5246e2a0bff5f23c2d350dc2c2a4a47ada 100644
--- a/app/views/projects/blob/viewers/_loading.html.haml
+++ b/app/views/projects/blob/viewers/_loading.html.haml
@@ -1,2 +1,2 @@
 .text-center.prepend-top-default.append-bottom-default
-  = icon('spinner spin 2x', 'aria-hidden' => 'true', 'aria-label' => 'Loading content…')
+  = icon('spinner spin 2x', 'aria-hidden' => 'true', 'aria-label' => _('Loading content…'))
diff --git a/app/views/projects/blob/viewers/_loading_auxiliary.html.haml b/app/views/projects/blob/viewers/_loading_auxiliary.html.haml
index c7dc9e3250a3f2dfa938179f123998a483241818..87c85149d372d7184337a08f4f08b083e81422dc 100644
--- a/app/views/projects/blob/viewers/_loading_auxiliary.html.haml
+++ b/app/views/projects/blob/viewers/_loading_auxiliary.html.haml
@@ -1,2 +1,2 @@
 = icon('spinner spin fw')
-Analyzing file…
+= _("Analyzing file…")
diff --git a/app/views/projects/blob/viewers/_readme.html.haml b/app/views/projects/blob/viewers/_readme.html.haml
index d8492abc638b34d4e2e3a8c09c06b68e8f4d072d..2068d92578b868dc4690536f39901ae838f4aacb 100644
--- a/app/views/projects/blob/viewers/_readme.html.haml
+++ b/app/views/projects/blob/viewers/_readme.html.haml
@@ -1,4 +1,3 @@
 = icon('info-circle fw')
-= succeed '.' do
-  To learn more about this project, read
-  = link_to "the wiki", get_project_wiki_path(viewer.project)
+- link_to_wiki = link_to(_("the wiki"), get_project_wiki_path(viewer.project))
+= _("To learn more about this project, read %{link_to_wiki}.").html_safe % { link_to_wiki: link_to_wiki }
diff --git a/app/views/projects/blob/viewers/_route_map.html.haml b/app/views/projects/blob/viewers/_route_map.html.haml
index 6d6bd79bc3c5a433e03dbfed7eadc86fe71fd48c..e3ac745adc47ff5fc746042a8f761a56676b3a46 100644
--- a/app/views/projects/blob/viewers/_route_map.html.haml
+++ b/app/views/projects/blob/viewers/_route_map.html.haml
@@ -1,9 +1,9 @@
 - if viewer.valid?
   = icon('check fw')
-  This Route Map is valid.
+  = _("This Route Map is valid.")
 - else
   = icon('warning fw')
-  This Route Map is invalid:
+  = _("This Route Map is invalid:")
   = viewer.validation_message
 
-= link_to 'Learn more', help_page_path('ci/environments', anchor: 'go-directly-from-source-files-to-public-pages-on-the-environment')
+= link_to _('Learn more'), help_page_path('ci/environments', anchor: 'go-directly-from-source-files-to-public-pages-on-the-environment')
diff --git a/app/views/projects/blob/viewers/_route_map_loading.html.haml b/app/views/projects/blob/viewers/_route_map_loading.html.haml
index a5f73fb0197b2cd36c0e9cbaeb05afa1ab0ea4c1..fcfc53d13b41aaebd1d950de150242ea0ffbb6db 100644
--- a/app/views/projects/blob/viewers/_route_map_loading.html.haml
+++ b/app/views/projects/blob/viewers/_route_map_loading.html.haml
@@ -1,4 +1,4 @@
 = icon('spinner spin fw')
-Validating Route Map…
+= _("Validating Route Map…")
 
-= link_to 'Learn more', help_page_path('ci/environments', anchor: 'go-directly-from-source-files-to-public-pages-on-the-environment')
+= link_to _('Learn more'), help_page_path('ci/environments', anchor: 'go-directly-from-source-files-to-public-pages-on-the-environment')
diff --git a/app/views/projects/blob/viewers/_sketch.html.haml b/app/views/projects/blob/viewers/_sketch.html.haml
index b4b6492b92f6327bc9e71d3dc2139bd5a385e033..4c27eb2a446a409b29235f0d9b3f32c2be8bbcaf 100644
--- a/app/views/projects/blob/viewers/_sketch.html.haml
+++ b/app/views/projects/blob/viewers/_sketch.html.haml
@@ -1,3 +1,3 @@
 .file-content#js-sketch-viewer{ data: { endpoint: blob_raw_path } }
-  .js-loading-icon.text-center.prepend-top-default.append-bottom-default.js-loading-icon{ 'aria-label' => 'Loading Sketch preview' }
+  .js-loading-icon.text-center.prepend-top-default.append-bottom-default.js-loading-icon{ 'aria-label' => _('Loading Sketch preview') }
     = icon('spinner spin 2x', 'aria-hidden' => 'true');
diff --git a/app/views/projects/blob/viewers/_stl.html.haml b/app/views/projects/blob/viewers/_stl.html.haml
index 55dd8cba7fe27934f317b564fd5d37e489f41501..e560a676907d5a7487e9b399696aeeb00d3b027a 100644
--- a/app/views/projects/blob/viewers/_stl.html.haml
+++ b/app/views/projects/blob/viewers/_stl.html.haml
@@ -1,9 +1,9 @@
 .file-content.is-stl-loading
   .text-center#js-stl-viewer{ data: { endpoint: blob_raw_path } }
-    = icon('spinner spin 2x', class: 'prepend-top-default append-bottom-default', 'aria-hidden' => 'true', 'aria-label' => 'Loading')
+    = icon('spinner spin 2x', class: 'prepend-top-default append-bottom-default', 'aria-hidden' => 'true', 'aria-label' => _('Loading'))
   .text-center.prepend-top-default.append-bottom-default.stl-controls
     .btn-group
       %button.btn.btn-default.btn-sm.js-material-changer{ data: { type: 'wireframe' } }
-        Wireframe
+        = _("Wireframe")
       %button.btn.btn-default.btn-sm.active.js-material-changer{ data: { type: 'default' } }
-        Solid
+        = _("Solid")
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 0ea8789d6cbfc5b9435051434d264fa0aa5b3903..2be1f6e8925b88e1711441545218dacb83e95979 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -408,6 +408,9 @@ msgstr ""
 msgid "Add new directory"
 msgstr ""
 
+msgid "Add new file"
+msgstr ""
+
 msgid "Add reaction"
 msgstr ""
 
@@ -498,6 +501,9 @@ msgstr ""
 msgid "Advanced settings"
 msgstr ""
 
+msgid "After you've reviewed these contribution guidelines, you'll be all set to"
+msgstr ""
+
 msgid "All"
 msgstr ""
 
@@ -669,6 +675,9 @@ msgstr ""
 msgid "An error occurred. Please try again."
 msgstr ""
 
+msgid "Analyzing file…"
+msgstr ""
+
 msgid "Anonymous"
 msgstr ""
 
@@ -696,6 +705,24 @@ msgstr ""
 msgid "Applications"
 msgstr ""
 
+msgid "Apply a .gitignore template"
+msgstr ""
+
+msgid "Apply a Dockerfile template"
+msgstr ""
+
+msgid "Apply a GitLab CI Yaml template"
+msgstr ""
+
+msgid "Apply a license"
+msgstr ""
+
+msgid "Apply a license template"
+msgstr ""
+
+msgid "Apply a template"
+msgstr ""
+
 msgid "Apr"
 msgstr ""
 
@@ -1050,6 +1077,9 @@ msgstr ""
 msgid "Bitbucket import"
 msgstr ""
 
+msgid "Blame"
+msgstr ""
+
 msgid "Blog"
 msgstr ""
 
@@ -1373,6 +1403,9 @@ msgstr ""
 msgid "Choose a branch/tag (e.g. %{master}) or enter a commit (e.g. %{sha}) to see what's changed or to create a merge request."
 msgstr ""
 
+msgid "Choose a template type"
+msgstr ""
+
 msgid "Choose any color."
 msgstr ""
 
@@ -1385,6 +1418,9 @@ msgstr ""
 msgid "Choose the top-level group for your repository imports."
 msgstr ""
 
+msgid "Choose type"
+msgstr ""
+
 msgid "Choose which groups you wish to synchronize to this secondary node."
 msgstr ""
 
@@ -2424,9 +2460,15 @@ msgstr ""
 msgid "Delete"
 msgstr ""
 
+msgid "Delete %{name}"
+msgstr ""
+
 msgid "Delete Snippet"
 msgstr ""
 
+msgid "Delete file"
+msgstr ""
+
 msgid "Delete list"
 msgstr ""
 
@@ -2630,6 +2672,12 @@ msgstr ""
 msgid "Dismiss Merge Request promotion"
 msgstr ""
 
+msgid "Display %{rich_viewer}"
+msgstr ""
+
+msgid "Display %{simple_viewer}"
+msgstr ""
+
 msgid "Do you want to customize how Google Code email addresses and usernames are imported into GitLab?"
 msgstr ""
 
@@ -2648,6 +2696,9 @@ msgstr ""
 msgid "Download"
 msgstr ""
 
+msgid "Download (%{size})"
+msgstr ""
+
 msgid "Download tar"
 msgstr ""
 
@@ -2699,6 +2750,9 @@ msgstr ""
 msgid "Edit application"
 msgstr ""
 
+msgid "Edit file"
+msgstr ""
+
 msgid "Edit files in the editor and commit changes here"
 msgstr ""
 
@@ -2726,6 +2780,9 @@ msgstr ""
 msgid "Embed"
 msgstr ""
 
+msgid "Empty file"
+msgstr ""
+
 msgid "Enable"
 msgstr ""
 
@@ -3056,6 +3113,9 @@ msgstr ""
 msgid "Fields on this page are now uneditable, you can configure"
 msgstr ""
 
+msgid "File name"
+msgstr ""
+
 msgid "Files"
 msgstr ""
 
@@ -4239,6 +4299,15 @@ msgstr ""
 msgid "Live preview"
 msgstr ""
 
+msgid "Loading"
+msgstr ""
+
+msgid "Loading Sketch preview"
+msgstr ""
+
+msgid "Loading content…"
+msgstr ""
+
 msgid "Loading contribution stats for group members"
 msgstr ""
 
@@ -4662,6 +4731,9 @@ msgstr ""
 msgid "New Application"
 msgstr ""
 
+msgid "New File"
+msgstr ""
+
 msgid "New Group"
 msgstr ""
 
@@ -4751,6 +4823,9 @@ msgstr ""
 msgid "No changes"
 msgstr ""
 
+msgid "No changes."
+msgstr ""
+
 msgid "No connection could be made to a Gitaly Server, please check your logs!"
 msgstr ""
 
@@ -4805,6 +4880,9 @@ msgstr ""
 msgid "No schedules"
 msgstr ""
 
+msgid "No wrap"
+msgstr ""
+
 msgid "No, directly import the existing email addresses and usernames."
 msgstr ""
 
@@ -4814,6 +4892,9 @@ msgstr ""
 msgid "None"
 msgstr ""
 
+msgid "Normal view"
+msgstr ""
+
 msgid "Not all comments are displayed because you're comparing two versions of the diff."
 msgstr ""
 
@@ -5080,6 +5161,9 @@ msgstr ""
 msgid "Performance optimization"
 msgstr ""
 
+msgid "Permalink"
+msgstr ""
+
 msgid "Permissions"
 msgstr ""
 
@@ -5823,6 +5907,12 @@ msgstr ""
 msgid "Repair authentication"
 msgstr ""
 
+msgid "Replace %{name}"
+msgstr ""
+
+msgid "Replace file"
+msgstr ""
+
 msgid "Reply to this email directly or %{view_it_on_gitlab}."
 msgstr ""
 
@@ -6330,6 +6420,15 @@ msgstr ""
 msgid "Snippets"
 msgstr ""
 
+msgid "Soft wrap"
+msgstr ""
+
+msgid "Solid"
+msgstr ""
+
+msgid "Someone edited the file the same time you did. Please check out %{link_to_the_file} and make sure your changes will not unintentionally remove theirs."
+msgstr ""
+
 msgid "Something went wrong on our end"
 msgstr ""
 
@@ -6695,6 +6794,9 @@ msgstr ""
 msgid "Template"
 msgstr ""
 
+msgid "Template applied"
+msgstr ""
+
 msgid "Terms of Service Agreement and Privacy Policy"
 msgstr ""
 
@@ -6707,6 +6809,9 @@ msgstr ""
 msgid "Thanks! Don't show me this again"
 msgstr ""
 
+msgid "The %{title} could not be displayed because %{viewer}."
+msgstr ""
+
 msgid "The Advanced Global Search in GitLab is a powerful search service that saves you time. Instead of creating duplicate code and wasting time, you can now search for code within other teams that can help your own project."
 msgstr ""
 
@@ -6872,9 +6977,21 @@ msgstr ""
 msgid "Third party offers"
 msgstr ""
 
+msgid "This GitLab CI configuration is invalid:"
+msgstr ""
+
+msgid "This GitLab CI configuration is valid."
+msgstr ""
+
 msgid "This GitLab instance does not provide any shared Runners yet. Instance administrators can register shared Runners in the admin area."
 msgstr ""
 
+msgid "This Route Map is invalid:"
+msgstr ""
+
+msgid "This Route Map is valid."
+msgstr ""
+
 msgid "This application was created by %{link_to_owner}."
 msgstr ""
 
@@ -6971,6 +7088,12 @@ msgstr ""
 msgid "This project does not have billing enabled. To create a cluster, <a href=%{linkToBilling} target=\"_blank\" rel=\"noopener noreferrer\">enable billing <i class=\"fa fa-external-link\" aria-hidden=\"true\"></i></a> and try again."
 msgstr ""
 
+msgid "This project is licensed under the %{license_name}."
+msgstr ""
+
+msgid "This project manages its dependencies using <strong>%{manager_name}</strong>"
+msgstr ""
+
 msgid "This repository"
 msgstr ""
 
@@ -7188,6 +7311,9 @@ msgstr ""
 msgid "To connect an SVN repository, check out %{svn_link}."
 msgstr ""
 
+msgid "To find the state of this project's repository at the time of any of these versions, check out %{link_to_tags}."
+msgstr ""
+
 msgid "To get started you enter your FogBugz URL and login information below. In the next steps, you'll be able to map users and select the projects you want to import."
 msgstr ""
 
@@ -7203,6 +7329,9 @@ msgstr ""
 msgid "To import an SVN repository, check out %{svn_link}."
 msgstr ""
 
+msgid "To learn more about this project, read %{link_to_wiki}."
+msgstr ""
+
 msgid "To move or copy an entire GitLab project from another GitLab installation to this one, navigate to the original project's settings page, generate an export file, and upload it here."
 msgstr ""
 
@@ -7305,6 +7434,9 @@ msgstr ""
 msgid "Unable to sign you in to the group with SAML due to \"%{reason}\""
 msgstr ""
 
+msgid "Undo"
+msgstr ""
+
 msgid "Unknown"
 msgstr ""
 
@@ -7356,6 +7488,9 @@ msgstr ""
 msgid "Update"
 msgstr ""
 
+msgid "Update %{name}"
+msgstr ""
+
 msgid "Update now"
 msgstr ""
 
@@ -7440,6 +7575,12 @@ msgstr ""
 msgid "User|Current status"
 msgstr ""
 
+msgid "Validating GitLab CI configuration…"
+msgstr ""
+
+msgid "Validating Route Map…"
+msgstr ""
+
 msgid "Variables"
 msgstr ""
 
@@ -7689,12 +7830,18 @@ msgstr ""
 msgid "Wiki|Wiki Pages"
 msgstr ""
 
+msgid "Wireframe"
+msgstr ""
+
 msgid "With contribution analytics you can have an overview for the activity of issues, merge requests and push events of your organization and its members."
 msgstr ""
 
 msgid "Withdraw Access Request"
 msgstr ""
 
+msgid "Write"
+msgstr ""
+
 msgid "Yes"
 msgstr ""
 
@@ -7891,6 +8038,9 @@ msgid_plural "and %d fixed vulnerabilities"
 msgstr[0] ""
 msgstr[1] ""
 
+msgid "and defines a %{package_type} named"
+msgstr ""
+
 msgid "assign yourself"
 msgstr ""
 
@@ -8128,6 +8278,9 @@ msgstr ""
 msgid "connecting"
 msgstr ""
 
+msgid "contribute to this project."
+msgstr ""
+
 msgid "could not read private key, is the passphrase correct?"
 msgstr ""
 
@@ -8480,6 +8633,15 @@ msgstr ""
 msgid "started"
 msgstr ""
 
+msgid "the file"
+msgstr ""
+
+msgid "the tags"
+msgstr ""
+
+msgid "the wiki"
+msgstr ""
+
 msgid "this document"
 msgstr ""
 
diff --git a/qa/qa/page/file/show.rb b/qa/qa/page/file/show.rb
index 99f5924b67f99efce90d11cf028553d616fc2216..891833c8801275cd457dcc39186c799a7480dcdf 100644
--- a/qa/qa/page/file/show.rb
+++ b/qa/qa/page/file/show.rb
@@ -10,7 +10,7 @@ class Show < Page::Base
         end
 
         view 'app/views/projects/blob/_remove.html.haml' do
-          element :delete_file_button, "button_tag 'Delete file'"
+          element :delete_file_button, "button_tag _('Delete file')"
         end
 
         def click_edit