diff --git a/components/script/dom/document_event_handler.rs b/components/script/dom/document_event_handler.rs
index 40a1bd52b0e..9cb5f42a01d 100644
--- a/components/script/dom/document_event_handler.rs
+++ b/components/script/dom/document_event_handler.rs
@@ -28,7 +28,7 @@ use script_bindings::codegen::GenericBindings::NavigatorBinding::NavigatorMethod
 use script_bindings::codegen::GenericBindings::NodeBinding::NodeMethods;
 use script_bindings::codegen::GenericBindings::PerformanceBinding::PerformanceMethods;
 use script_bindings::codegen::GenericBindings::TouchBinding::TouchMethods;
-use script_bindings::codegen::GenericBindings::WindowBinding::WindowMethods;
+use script_bindings::codegen::GenericBindings::WindowBinding::{ScrollBehavior, WindowMethods};
 use script_bindings::inheritance::Castable;
 use script_bindings::num::Finite;
 use script_bindings::root::{Dom, DomRoot, DomSlice};
@@ -1474,10 +1474,49 @@ impl DocumentEventHandler {
     }
 
     pub(crate) fn run_default_keyboard_event_handler(&self, event: &KeyboardEvent, can_gc: CanGc) {
-        if event.upcast::<Event>().type_() != atom!("keydown") {
+        const LINE_HEIGHT: f32 = 76.0;
+        const LINE_WIDTH: f32 = 76.0;
+
+        if event.upcast::<Event>().type_() != atom!("keydown") || !event.modifiers().is_empty() {
             return;
         }
 
+        // 1. Find the element to scroll
+        ;
+
+        // 2. Determine what key was pressed, and calculate the scroll distance
+        let (x, y) = match event.key() {
+            // Key::Named(NamedKey::Home) => {
+            // //     webview.notify_scroll_event(ScrollLocation::Start, origin);
+            // }
+            // Key::Named(NamedKey::End) => {
+            // //     webview.notify_scroll_event(ScrollLocation::End, origin);
+            // }
+
+            Key::Named(NamedKey::PageDown) => {
+                (0.0, self.window.InnerHeight() as f32 - 2.0 * LINE_HEIGHT)
+            }
+            Key::Named(NamedKey::PageUp) => {
+                (0.0, 2.0 * LINE_HEIGHT - self.window.InnerHeight() as f32)
+            }
+            Key::Named(NamedKey::ArrowUp) => {
+                (0.0, -LINE_HEIGHT)
+            }
+            Key::Named(NamedKey::ArrowDown) => {
+                (0.0, LINE_HEIGHT)
+            }
+            Key::Named(NamedKey::ArrowLeft) => {
+                (-LINE_WIDTH, 0.0)
+            }
+            Key::Named(NamedKey::ArrowRight) => {
+                (LINE_WIDTH, 0.0)
+            }
+            _ => return,
+        };
+
+        // 3. Do the scroll
+        self.window.perform_a_scroll(x, y, self.window.pipeline_id().root_scroll_id(), ScrollBehavior::Auto, None);
+
         // keydown
         dbg!(event.upcast::<Event>().type_());
     }