diff --git a/Ladybird/WebContentView.cpp b/Ladybird/WebContentView.cpp
index 1368343ef5..b761e1af87 100644
--- a/Ladybird/WebContentView.cpp
+++ b/Ladybird/WebContentView.cpp
@@ -680,11 +680,12 @@ void WebContentView::handle_web_content_process_crash()
     load_html(builder.to_deprecated_string(), m_url);
 }
 
-void WebContentView::notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id)
+void WebContentView::notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id, Gfx::IntSize size)
 {
     if (m_client_state.back_bitmap.id == bitmap_id) {
         m_client_state.has_usable_bitmap = true;
         m_client_state.back_bitmap.pending_paints--;
+        m_client_state.back_bitmap.last_painted_size = size;
         swap(m_client_state.back_bitmap, m_client_state.front_bitmap);
         // We don't need the backup bitmap anymore, so drop it.
         m_backup_bitmap = nullptr;
diff --git a/Ladybird/WebContentView.h b/Ladybird/WebContentView.h
index d318372090..ab3e064fae 100644
--- a/Ladybird/WebContentView.h
+++ b/Ladybird/WebContentView.h
@@ -119,7 +119,7 @@ public:
     void update_palette(PaletteMode = PaletteMode::Default);
 
     virtual void notify_server_did_layout(Badge<WebContentClient>, Gfx::IntSize content_size) override;
-    virtual void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id) override;
+    virtual void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id, Gfx::IntSize) override;
     virtual void notify_server_did_invalidate_content_rect(Badge<WebContentClient>, Gfx::IntRect const&) override;
     virtual void notify_server_did_change_selection(Badge<WebContentClient>) override;
     virtual void notify_server_did_request_cursor_change(Badge<WebContentClient>, Gfx::StandardCursor cursor) override;
diff --git a/Userland/Libraries/LibWebView/OutOfProcessWebView.cpp b/Userland/Libraries/LibWebView/OutOfProcessWebView.cpp
index b976135a50..d503adf621 100644
--- a/Userland/Libraries/LibWebView/OutOfProcessWebView.cpp
+++ b/Userland/Libraries/LibWebView/OutOfProcessWebView.cpp
@@ -205,11 +205,12 @@ void OutOfProcessWebView::screen_rects_change_event(GUI::ScreenRectsChangeEvent&
     client().async_update_screen_rects(event.rects(), event.main_screen_index());
 }
 
-void OutOfProcessWebView::notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id)
+void OutOfProcessWebView::notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id, Gfx::IntSize size)
 {
     if (m_client_state.back_bitmap.id == bitmap_id) {
         m_client_state.has_usable_bitmap = true;
         m_client_state.back_bitmap.pending_paints--;
+        m_client_state.back_bitmap.last_painted_size = size;
         swap(m_client_state.back_bitmap, m_client_state.front_bitmap);
         // We don't need the backup bitmap anymore, so drop it.
         m_backup_bitmap = nullptr;
diff --git a/Userland/Libraries/LibWebView/OutOfProcessWebView.h b/Userland/Libraries/LibWebView/OutOfProcessWebView.h
index 1f3dd23676..ca4baa89b7 100644
--- a/Userland/Libraries/LibWebView/OutOfProcessWebView.h
+++ b/Userland/Libraries/LibWebView/OutOfProcessWebView.h
@@ -126,7 +126,7 @@ private:
     virtual void create_client(EnableCallgrindProfiling = EnableCallgrindProfiling::No) override;
     virtual void update_zoom() override;
     virtual void notify_server_did_layout(Badge<WebContentClient>, Gfx::IntSize content_size) override;
-    virtual void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id) override;
+    virtual void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id, Gfx::IntSize) override;
     virtual void notify_server_did_invalidate_content_rect(Badge<WebContentClient>, Gfx::IntRect const&) override;
     virtual void notify_server_did_change_selection(Badge<WebContentClient>) override;
     virtual void notify_server_did_request_cursor_change(Badge<WebContentClient>, Gfx::StandardCursor cursor) override;
diff --git a/Userland/Libraries/LibWebView/ViewImplementation.h b/Userland/Libraries/LibWebView/ViewImplementation.h
index 872bf77eb1..9efe4d1ffb 100644
--- a/Userland/Libraries/LibWebView/ViewImplementation.h
+++ b/Userland/Libraries/LibWebView/ViewImplementation.h
@@ -71,7 +71,7 @@ public:
     void run_javascript(StringView);
 
     virtual void notify_server_did_layout(Badge<WebContentClient>, Gfx::IntSize content_size) = 0;
-    virtual void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id) = 0;
+    virtual void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id, Gfx::IntSize) = 0;
     virtual void notify_server_did_invalidate_content_rect(Badge<WebContentClient>, Gfx::IntRect const&) = 0;
     virtual void notify_server_did_change_selection(Badge<WebContentClient>) = 0;
     virtual void notify_server_did_request_cursor_change(Badge<WebContentClient>, Gfx::StandardCursor cursor) = 0;
@@ -142,6 +142,7 @@ protected:
     struct SharedBitmap {
         i32 id { -1 };
         i32 pending_paints { 0 };
+        Gfx::IntSize last_painted_size;
         RefPtr<Gfx::Bitmap> bitmap;
     };
 
diff --git a/Userland/Libraries/LibWebView/WebContentClient.cpp b/Userland/Libraries/LibWebView/WebContentClient.cpp
index 5e53927197..01238a2357 100644
--- a/Userland/Libraries/LibWebView/WebContentClient.cpp
+++ b/Userland/Libraries/LibWebView/WebContentClient.cpp
@@ -23,9 +23,9 @@ void WebContentClient::die()
     on_web_content_process_crash();
 }
 
-void WebContentClient::did_paint(Gfx::IntRect const&, i32 bitmap_id)
+void WebContentClient::did_paint(Gfx::IntRect const& rect, i32 bitmap_id)
 {
-    m_view.notify_server_did_paint({}, bitmap_id);
+    m_view.notify_server_did_paint({}, bitmap_id, rect.size());
 }
 
 void WebContentClient::did_finish_loading(AK::URL const& url)
diff --git a/Userland/Utilities/headless-browser.cpp b/Userland/Utilities/headless-browser.cpp
index e83f5de5f2..31c6b138c5 100644
--- a/Userland/Utilities/headless-browser.cpp
+++ b/Userland/Utilities/headless-browser.cpp
@@ -84,7 +84,7 @@ private:
     HeadlessWebContentView() = default;
 
     void notify_server_did_layout(Badge<WebView::WebContentClient>, Gfx::IntSize) override { }
-    void notify_server_did_paint(Badge<WebView::WebContentClient>, i32) override { }
+    void notify_server_did_paint(Badge<WebView::WebContentClient>, i32, Gfx::IntSize) override { }
     void notify_server_did_invalidate_content_rect(Badge<WebView::WebContentClient>, Gfx::IntRect const&) override { }
     void notify_server_did_change_selection(Badge<WebView::WebContentClient>) override { }
     void notify_server_did_request_cursor_change(Badge<WebView::WebContentClient>, Gfx::StandardCursor) override { }