diff --git a/Userland/Libraries/LibWeb/HTML/EventLoop/EventLoop.cpp b/Userland/Libraries/LibWeb/HTML/EventLoop/EventLoop.cpp
index dcb5ff2736f..923be22bca1 100644
--- a/Userland/Libraries/LibWeb/HTML/EventLoop/EventLoop.cpp
+++ b/Userland/Libraries/LibWeb/HTML/EventLoop/EventLoop.cpp
@@ -15,6 +15,7 @@
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/HighResolutionTime/Performance.h>
 #include <LibWeb/HighResolutionTime/TimeOrigin.h>
+#include <LibWeb/Page/Page.h>
 #include <LibWeb/Platform/EventLoopPlugin.h>
 #include <LibWeb/Platform/Timer.h>
 
@@ -213,7 +214,12 @@ void EventLoop::process()
 
     // FIXME:     15. Invoke the mark paint timing algorithm for each Document object in docs.
 
-    // FIXME:     16. For each fully active Document in docs, update the rendering or user interface of that Document and its browsing context to reflect the current state.
+    // 16. For each fully active Document in docs, update the rendering or user interface of that Document and its browsing context to reflect the current state.
+    for_each_fully_active_document_in_docs([&](DOM::Document& document) {
+        auto* browsing_context = document.browsing_context();
+        auto& page = browsing_context->page();
+        page.client().schedule_repaint();
+    });
 
     // 13. If all of the following are true
     // - this is a window event loop
diff --git a/Userland/Libraries/LibWeb/Page/Page.h b/Userland/Libraries/LibWeb/Page/Page.h
index c2f402df5e7..9e05a7d7ef4 100644
--- a/Userland/Libraries/LibWeb/Page/Page.h
+++ b/Userland/Libraries/LibWeb/Page/Page.h
@@ -302,6 +302,8 @@ public:
     virtual void inspector_did_request_dom_tree_context_menu([[maybe_unused]] i32 node_id, [[maybe_unused]] CSSPixelPoint position, [[maybe_unused]] String const& type, [[maybe_unused]] Optional<String> const& tag, [[maybe_unused]] Optional<String> const& attribute_name, [[maybe_unused]] Optional<String> const& attribute_value) { }
     virtual void inspector_did_execute_console_script([[maybe_unused]] String const& script) { }
 
+    virtual void schedule_repaint() = 0;
+
 protected:
     virtual ~PageClient() = default;
 };
diff --git a/Userland/Libraries/LibWeb/SVG/SVGDecodedImageData.cpp b/Userland/Libraries/LibWeb/SVG/SVGDecodedImageData.cpp
index 9c32a874a52..ada4cb11839 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGDecodedImageData.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGDecodedImageData.cpp
@@ -48,6 +48,7 @@ public:
     virtual CSS::PreferredColorScheme preferred_color_scheme() const override { return m_host_page.client().preferred_color_scheme(); }
     virtual void request_file(FileRequest) override { }
     virtual void paint(DevicePixelRect const&, Gfx::Bitmap&, Web::PaintOptions = {}) override { }
+    virtual void schedule_repaint() override { }
 
 private:
     explicit SVGPageClient(Page& host_page)
diff --git a/Userland/Services/WebContent/PageClient.cpp b/Userland/Services/WebContent/PageClient.cpp
index 56d2ed76deb..52f0f882b6e 100644
--- a/Userland/Services/WebContent/PageClient.cpp
+++ b/Userland/Services/WebContent/PageClient.cpp
@@ -222,12 +222,12 @@ void PageClient::paint(Web::DevicePixelRect const& content_rect, Gfx::Bitmap& ta
 void PageClient::set_viewport_rect(Web::DevicePixelRect const& rect)
 {
     page().top_level_traversable()->set_viewport_rect(page().device_to_css_rect(rect));
-    schedule_repaint();
+    Web::HTML::main_thread_event_loop().schedule();
 }
 
 void PageClient::page_did_invalidate(Web::CSSPixelRect const&)
 {
-    schedule_repaint();
+    Web::HTML::main_thread_event_loop().schedule();
 }
 
 void PageClient::page_did_request_cursor_change(Gfx::StandardCursor cursor)
diff --git a/Userland/Services/WebContent/PageClient.h b/Userland/Services/WebContent/PageClient.h
index 318647f4cde..11af94568f6 100644
--- a/Userland/Services/WebContent/PageClient.h
+++ b/Userland/Services/WebContent/PageClient.h
@@ -28,7 +28,7 @@ public:
 
     static void set_use_gpu_painter();
 
-    void schedule_repaint();
+    virtual void schedule_repaint() override;
 
     virtual Web::Page& page() override { return *m_page; }
     virtual Web::Page const& page() const override { return *m_page; }
diff --git a/Userland/Services/WebWorker/PageHost.h b/Userland/Services/WebWorker/PageHost.h
index 55e41a8e1da..61a2b8ef837 100644
--- a/Userland/Services/WebWorker/PageHost.h
+++ b/Userland/Services/WebWorker/PageHost.h
@@ -30,6 +30,7 @@ public:
     virtual Web::CSS::PreferredColorScheme preferred_color_scheme() const override;
     virtual void paint(Web::DevicePixelRect const&, Gfx::Bitmap&, Web::PaintOptions = {}) override;
     virtual void request_file(Web::FileRequest) override;
+    virtual void schedule_repaint() override {};
 
 private:
     explicit PageHost(ConnectionFromClient&);