diff --git a/components/layout/context.rs b/components/layout/context.rs
index 90b427b0e154..1374ba175f93 100644
--- a/components/layout/context.rs
+++ b/components/layout/context.rs
@@ -140,6 +140,7 @@ impl<'a> LayoutContext<'a> {
                     state: PendingImageState::Unrequested(url),
                     node: node.to_untrusted_node_address(),
                     id: id,
+                    origin: self.origin.clone(),
                 };
                 self.pending_images
                     .as_ref()
@@ -160,6 +161,7 @@ impl<'a> LayoutContext<'a> {
                         state: PendingImageState::PendingResponse,
                         node: node.to_untrusted_node_address(),
                         id: id,
+                        origin: self.origin.clone(),
                     };
                     pending_images.lock().unwrap().push(image);
                 }
diff --git a/components/layout_thread/lib.rs b/components/layout_thread/lib.rs
index 10ff2f2569bf..47b195c48842 100644
--- a/components/layout_thread/lib.rs
+++ b/components/layout_thread/lib.rs
@@ -93,7 +93,7 @@ use servo_atoms::Atom;
 use servo_config::opts;
 use servo_config::pref;
 use servo_geometry::MaxRect;
-use servo_url::ServoUrl;
+use servo_url::{ImmutableOrigin, ServoUrl};
 use std::borrow::ToOwned;
 use std::cell::{Cell, RefCell};
 use std::collections::HashMap;
@@ -644,13 +644,18 @@ impl LayoutThread {
         guards: StylesheetGuards<'a>,
         script_initiated_layout: bool,
         snapshot_map: &'a SnapshotMap,
+        origin: Option<ImmutableOrigin>,
     ) -> LayoutContext<'a> {
         let thread_local_style_context_creation_data =
             ThreadLocalStyleContextCreationInfo::new(self.new_animations_sender.clone());
 
         LayoutContext {
             id: self.id,
-            origin: self.url.origin(),
+            origin: if let Some(origin) = origin {
+                origin
+            } else {
+                self.url.origin()
+            },
             style_context: SharedStyleContext {
                 stylist: &self.stylist,
                 options: GLOBAL_STYLE_DATA.options.clone(),
@@ -1341,6 +1346,8 @@ impl LayoutThread {
             Au::from_f32_px(initial_viewport.height),
         );
 
+        let origin = data.origin.clone();
+
         // Calculate the actual viewport as per DEVICE-ADAPT § 6
         // If the entire flow tree is invalid, then it will be reflowed anyhow.
         let document_shared_lock = document.style_shared_lock();
@@ -1482,7 +1489,8 @@ impl LayoutThread {
         self.stylist.flush(&guards, Some(element), Some(&map));
 
         // Create a layout context for use throughout the following passes.
-        let mut layout_context = self.build_layout_context(guards.clone(), true, &map);
+        let mut layout_context =
+            self.build_layout_context(guards.clone(), true, &map, Some(origin));
 
         let pool;
         let (thread_pool, num_threads) = if self.parallel_flag {
@@ -1738,7 +1746,7 @@ impl LayoutThread {
                 ua_or_user: &ua_or_user_guard,
             };
             let snapshots = SnapshotMap::new();
-            let mut layout_context = self.build_layout_context(guards, false, &snapshots);
+            let mut layout_context = self.build_layout_context(guards, false, &snapshots, None);
 
             let invalid_nodes = {
                 // Perform an abbreviated style recalc that operates without access to the DOM.
diff --git a/components/script/dom/window.rs b/components/script/dom/window.rs
index 65a601765599..1abd30ecc4a6 100644
--- a/components/script/dom/window.rs
+++ b/components/script/dom/window.rs
@@ -1622,6 +1622,7 @@ impl Window {
             document: self.Document().upcast::<Node>().to_trusted_node_address(),
             stylesheets_changed,
             window_size: self.window_size.get(),
+            origin: self.origin().immutable().clone(),
             reflow_goal,
             script_join_chan: join_chan,
             dom_count: self.Document().dom_count(),
diff --git a/components/script_layout_interface/lib.rs b/components/script_layout_interface/lib.rs
index ad333209033d..ef9382378cb5 100644
--- a/components/script_layout_interface/lib.rs
+++ b/components/script_layout_interface/lib.rs
@@ -23,7 +23,7 @@ use ipc_channel::ipc::IpcSender;
 use libc::c_void;
 use net_traits::image_cache::PendingImageId;
 use script_traits::UntrustedNodeAddress;
-use servo_url::ServoUrl;
+use servo_url::{ImmutableOrigin, ServoUrl};
 use std::ptr::NonNull;
 use std::sync::atomic::AtomicIsize;
 use style::data::ElementData;
@@ -138,6 +138,7 @@ pub struct PendingImage {
     pub state: PendingImageState,
     pub node: UntrustedNodeAddress,
     pub id: PendingImageId,
+    pub origin: ImmutableOrigin,
 }
 
 pub struct HTMLMediaData {
diff --git a/components/script_layout_interface/message.rs b/components/script_layout_interface/message.rs
index 9bfeddb2ea25..aeefadc72139 100644
--- a/components/script_layout_interface/message.rs
+++ b/components/script_layout_interface/message.rs
@@ -18,7 +18,7 @@ use script_traits::{ConstellationControlMsg, LayoutControlMsg, LayoutMsg as Cons
 use script_traits::{ScrollState, UntrustedNodeAddress, WindowSizeData};
 use servo_arc::Arc as ServoArc;
 use servo_atoms::Atom;
-use servo_url::ServoUrl;
+use servo_url::{ImmutableOrigin, ServoUrl};
 use std::sync::atomic::AtomicBool;
 use std::sync::Arc;
 use style::context::QuirksMode;
@@ -216,6 +216,8 @@ pub struct ScriptReflow {
     pub reflow_goal: ReflowGoal,
     /// The number of objects in the dom #10110
     pub dom_count: u32,
+    /// The current window origin
+    pub origin: ImmutableOrigin,
 }
 
 pub struct LayoutThreadInit {