diff --git a/Userland/Libraries/LibWeb/Page/Page.h b/Userland/Libraries/LibWeb/Page/Page.h
index 392282fc73..e9046d8a95 100644
--- a/Userland/Libraries/LibWeb/Page/Page.h
+++ b/Userland/Libraries/LibWeb/Page/Page.h
@@ -16,6 +16,8 @@
 #include <Kernel/API/KeyCode.h>
 #include <LibGfx/Forward.h>
 #include <LibGfx/Palette.h>
+#include <LibGfx/Point.h>
+#include <LibGfx/Size.h>
 #include <LibGfx/StandardCursor.h>
 #include <LibJS/Heap/Handle.h>
 #include <LibWeb/CSS/PreferredColorScheme.h>
@@ -72,6 +74,12 @@ public:
     bool is_webdriver_active() const { return m_is_webdriver_active; }
     void set_is_webdriver_active(bool b) { m_is_webdriver_active = b; }
 
+    Gfx::IntPoint const& window_position() const { return m_window_position; }
+    void set_window_position(Gfx::IntPoint const& position) { m_window_position = position; }
+
+    Gfx::IntSize const& window_size() const { return m_window_size; }
+    void set_window_size(Gfx::IntSize const& size) { m_window_size = size; }
+
 private:
     PageClient& m_client;
 
@@ -86,6 +94,9 @@ private:
     // https://w3c.github.io/webdriver/#dfn-webdriver-active-flag
     // The webdriver-active flag is set to true when the user agent is under remote control. It is initially false.
     bool m_is_webdriver_active { false };
+
+    Gfx::IntPoint m_window_position {};
+    Gfx::IntSize m_window_size {};
 };
 
 class PageClient {
diff --git a/Userland/Libraries/LibWebView/OutOfProcessWebView.cpp b/Userland/Libraries/LibWebView/OutOfProcessWebView.cpp
index 3c8c955d67..90f5ad2fa3 100644
--- a/Userland/Libraries/LibWebView/OutOfProcessWebView.cpp
+++ b/Userland/Libraries/LibWebView/OutOfProcessWebView.cpp
@@ -575,6 +575,16 @@ void OutOfProcessWebView::set_is_webdriver_active(bool is_webdriver_enabled)
     client().async_set_is_webdriver_active(is_webdriver_enabled);
 }
 
+void OutOfProcessWebView::set_window_position(Gfx::IntPoint const& position)
+{
+    client().async_set_window_position(position);
+}
+
+void OutOfProcessWebView::set_window_size(Gfx::IntSize const& size)
+{
+    client().async_set_window_size(size);
+}
+
 void OutOfProcessWebView::focusin_event(GUI::FocusEvent&)
 {
     client().async_set_has_focus(true);
diff --git a/Userland/Libraries/LibWebView/OutOfProcessWebView.h b/Userland/Libraries/LibWebView/OutOfProcessWebView.h
index 423bd62728..2cd1b3559a 100644
--- a/Userland/Libraries/LibWebView/OutOfProcessWebView.h
+++ b/Userland/Libraries/LibWebView/OutOfProcessWebView.h
@@ -72,6 +72,9 @@ public:
     void set_preferred_color_scheme(Web::CSS::PreferredColorScheme);
     void set_is_webdriver_active(bool);
 
+    void set_window_position(Gfx::IntPoint const&);
+    void set_window_size(Gfx::IntSize const&);
+
     Function<void(Gfx::IntPoint const& screen_position)> on_context_menu_request;
     Function<void(const AK::URL&, String const& target, unsigned modifiers)> on_link_click;
     Function<void(const AK::URL&, Gfx::IntPoint const& screen_position)> on_link_context_menu_request;
diff --git a/Userland/Services/WebContent/ConnectionFromClient.cpp b/Userland/Services/WebContent/ConnectionFromClient.cpp
index 92512b0b26..71c632c05a 100644
--- a/Userland/Services/WebContent/ConnectionFromClient.cpp
+++ b/Userland/Services/WebContent/ConnectionFromClient.cpp
@@ -655,6 +655,16 @@ void ConnectionFromClient::set_is_webdriver_active(bool is_webdriver_active)
     m_page_host->set_is_webdriver_active(is_webdriver_active);
 }
 
+void ConnectionFromClient::set_window_position(Gfx::IntPoint const& position)
+{
+    m_page_host->set_window_position(position);
+}
+
+void ConnectionFromClient::set_window_size(Gfx::IntSize const& size)
+{
+    m_page_host->set_window_size(size);
+}
+
 Messages::WebContentServer::GetLocalStorageEntriesResponse ConnectionFromClient::get_local_storage_entries()
 {
     auto* document = page().top_level_browsing_context().active_document();
diff --git a/Userland/Services/WebContent/ConnectionFromClient.h b/Userland/Services/WebContent/ConnectionFromClient.h
index 4916ee8460..bdbcf85b73 100644
--- a/Userland/Services/WebContent/ConnectionFromClient.h
+++ b/Userland/Services/WebContent/ConnectionFromClient.h
@@ -72,6 +72,8 @@ private:
     virtual void set_has_focus(bool) override;
     virtual void set_is_scripting_enabled(bool) override;
     virtual void set_is_webdriver_active(bool) override;
+    virtual void set_window_position(Gfx::IntPoint const&) override;
+    virtual void set_window_size(Gfx::IntSize const&) override;
     virtual void handle_file_return(i32 error, Optional<IPC::File> const& file, i32 request_id) override;
     virtual void set_system_visibility_state(bool visible) override;
 
diff --git a/Userland/Services/WebContent/PageHost.cpp b/Userland/Services/WebContent/PageHost.cpp
index 30c820dab2..c1b819035d 100644
--- a/Userland/Services/WebContent/PageHost.cpp
+++ b/Userland/Services/WebContent/PageHost.cpp
@@ -76,6 +76,16 @@ void PageHost::set_is_webdriver_active(bool is_webdriver_active)
     page().set_is_webdriver_active(is_webdriver_active);
 }
 
+void PageHost::set_window_position(Gfx::IntPoint const& position)
+{
+    page().set_window_position(position);
+}
+
+void PageHost::set_window_size(Gfx::IntSize const& size)
+{
+    page().set_window_size(size);
+}
+
 Web::Layout::InitialContainingBlock* PageHost::layout_root()
 {
     auto* document = page().top_level_browsing_context().active_document();
diff --git a/Userland/Services/WebContent/PageHost.h b/Userland/Services/WebContent/PageHost.h
index b145675379..c70efb4942 100644
--- a/Userland/Services/WebContent/PageHost.h
+++ b/Userland/Services/WebContent/PageHost.h
@@ -35,6 +35,8 @@ public:
     void set_has_focus(bool);
     void set_is_scripting_enabled(bool);
     void set_is_webdriver_active(bool);
+    void set_window_position(Gfx::IntPoint const&);
+    void set_window_size(Gfx::IntSize const&);
 
 private:
     // ^PageClient
diff --git a/Userland/Services/WebContent/WebContentServer.ipc b/Userland/Services/WebContent/WebContentServer.ipc
index 125be1ba68..9302fd27be 100644
--- a/Userland/Services/WebContent/WebContentServer.ipc
+++ b/Userland/Services/WebContent/WebContentServer.ipc
@@ -60,6 +60,9 @@ endpoint WebContentServer
     set_is_scripting_enabled(bool is_scripting_enabled) =|
     set_is_webdriver_active(bool is_webdriver_active) =|
 
+    set_window_position(Gfx::IntPoint position) =|
+    set_window_size(Gfx::IntSize size) =|
+
     get_local_storage_entries() => (OrderedHashMap<String,String> entries)
     get_session_storage_entries() => (OrderedHashMap<String,String> entries)