diff --git a/core/core.libraries.yml b/core/core.libraries.yml
index 41406af..5b469dc 100644
--- a/core/core.libraries.yml
+++ b/core/core.libraries.yml
@@ -197,6 +197,12 @@ drupal.machine-name:
     - core/drupal
     - core/drupalSettings
 
+drupal.no-animate:
+  version: VERSION
+  css:
+    base:
+      misc/no-animate.css: {}
+
 drupal.progress:
   version: VERSION
   js:
diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 34dbdc2..efebe5d 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -1385,6 +1385,17 @@ function template_preprocess_html(&$variables) {
       'name' => String::checkPlain($site_config->get('name')),
     );
   }
+
+  // Turn off animations.
+  if (TRUE || $site_config->get('no_animate')) {
+    $variables['attributes']['class'][] = 'no-animate';
+    $variables['html']['#attached']['library'][] = 'core/drupal.no-animate';
+    $variables['html']['#attached']['js'][] = [
+      'type' => 'setting',
+      'data' => ['noAnimate' => TRUE],
+    ];
+  }
+
   // @todo Remove once views is not bypassing the view subscriber anymore.
   //   @see http://drupal.org/node/2068471
   elseif (drupal_is_front_page()) {
diff --git a/core/misc/drupal.js b/core/misc/drupal.js
index ce13994..194b3f2 100644
--- a/core/misc/drupal.js
+++ b/core/misc/drupal.js
@@ -9,6 +9,9 @@ document.documentElement.className += ' js';
 // Allow other JavaScript libraries to use $.
 if (window.jQuery) {
   jQuery.noConflict();
+  if (window.drupalSettings) {
+    jQuery.fx.off = drupalSettings.noAnimate;
+  }
 }
 
 // JavaScript should be made compatible with libraries other than jQuery by
diff --git a/core/misc/no-animate.css b/core/misc/no-animate.css
new file mode 100644
index 0000000..ac3f5b2
--- /dev/null
+++ b/core/misc/no-animate.css
@@ -0,0 +1,4 @@
+.no-animate * {
+  -webkit-transition: none !important;
+  transition: none !important;
+}