diff --git a/Libraries/LibHTML/DOM/HTMLImageElement.cpp b/Libraries/LibHTML/DOM/HTMLImageElement.cpp
index da4afde0848..7bb8f8cd38d 100644
--- a/Libraries/LibHTML/DOM/HTMLImageElement.cpp
+++ b/Libraries/LibHTML/DOM/HTMLImageElement.cpp
@@ -80,3 +80,17 @@ const GraphicsBitmap* HTMLImageElement::bitmap() const
         return nullptr;
     return m_image_decoder->bitmap();
 }
+
+void HTMLImageElement::set_volatile(Badge<LayoutDocument>, bool v)
+{
+    if (!m_image_decoder)
+        return;
+    if (v) {
+        m_image_decoder->set_volatile();
+        return;
+    }
+    bool has_image = m_image_decoder->set_nonvolatile();
+    if (has_image)
+        return;
+    m_image_decoder = ImageDecoder::create(m_encoded_data.data(), m_encoded_data.size());
+}
diff --git a/Libraries/LibHTML/DOM/HTMLImageElement.h b/Libraries/LibHTML/DOM/HTMLImageElement.h
index 2cc8587c30e..e2677e9651d 100644
--- a/Libraries/LibHTML/DOM/HTMLImageElement.h
+++ b/Libraries/LibHTML/DOM/HTMLImageElement.h
@@ -4,6 +4,8 @@
 #include <LibDraw/ImageDecoder.h>
 #include <LibHTML/DOM/HTMLElement.h>
 
+class LayoutDocument;
+
 class HTMLImageElement : public HTMLElement {
 public:
     HTMLImageElement(Document&, const String& tag_name);
@@ -19,12 +21,13 @@ public:
     const GraphicsBitmap* bitmap() const;
     const ImageDecoder* image_decoder() const { return m_image_decoder; }
 
+    void set_volatile(Badge<LayoutDocument>, bool);
+
 private:
     void load_image(const String& src);
 
     virtual RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) const override;
 
     RefPtr<ImageDecoder> m_image_decoder;
-    mutable RefPtr<GraphicsBitmap> m_bitmap;
     ByteBuffer m_encoded_data;
 };
diff --git a/Libraries/LibHTML/Frame.cpp b/Libraries/LibHTML/Frame.cpp
index 3f1894763d3..b87fd356ccf 100644
--- a/Libraries/LibHTML/Frame.cpp
+++ b/Libraries/LibHTML/Frame.cpp
@@ -1,6 +1,7 @@
 #include <LibHTML/DOM/Document.h>
 #include <LibHTML/Frame.h>
 #include <LibHTML/HtmlView.h>
+#include <LibHTML/Layout/LayoutDocument.h>
 
 Frame::Frame(HtmlView& html_view)
     : m_html_view(html_view.make_weak_ptr())
@@ -37,6 +38,9 @@ void Frame::set_viewport_rect(const Rect& rect)
     if (m_viewport_rect == rect)
         return;
     m_viewport_rect = rect;
+
+    if (m_document && m_document->layout_node())
+        m_document->layout_node()->did_set_viewport_rect({}, rect);
 }
 
 void Frame::set_needs_display(const Rect& rect)
diff --git a/Libraries/LibHTML/Layout/LayoutDocument.cpp b/Libraries/LibHTML/Layout/LayoutDocument.cpp
index 97768039029..279fb810cbf 100644
--- a/Libraries/LibHTML/Layout/LayoutDocument.cpp
+++ b/Libraries/LibHTML/Layout/LayoutDocument.cpp
@@ -1,6 +1,7 @@
-#include <LibHTML/Frame.h>
 #include <LibHTML/Dump.h>
+#include <LibHTML/Frame.h>
 #include <LibHTML/Layout/LayoutDocument.h>
+#include <LibHTML/Layout/LayoutImage.h>
 
 LayoutDocument::LayoutDocument(const Document& document, NonnullRefPtr<StyleProperties> style)
     : LayoutBlock(&document, move(style))
@@ -29,3 +30,15 @@ void LayoutDocument::layout()
     });
     rect().set_bottom(lowest_bottom);
 }
+
+void LayoutDocument::did_set_viewport_rect(Badge<Frame>, const Rect& a_viewport_rect)
+{
+    FloatRect viewport_rect(a_viewport_rect.x(), a_viewport_rect.y(), a_viewport_rect.width(), a_viewport_rect.height());
+    for_each_in_subtree([&](auto& layout_node) {
+        if (is<LayoutImage>(layout_node)) {
+            auto& image = to<LayoutImage>(layout_node);
+            const_cast<HTMLImageElement&>(image.node()).set_volatile({}, !viewport_rect.intersects(image.rect()));
+        }
+        return IterationDecision::Continue;
+    });
+}
diff --git a/Libraries/LibHTML/Layout/LayoutDocument.h b/Libraries/LibHTML/Layout/LayoutDocument.h
index 18b44c21bed..5f2e51c09b6 100644
--- a/Libraries/LibHTML/Layout/LayoutDocument.h
+++ b/Libraries/LibHTML/Layout/LayoutDocument.h
@@ -15,6 +15,8 @@ public:
     const LayoutRange& selection() const { return m_selection; }
     LayoutRange& selection() { return m_selection; }
 
+    void did_set_viewport_rect(Badge<Frame>, const Rect&);
+
 private:
     LayoutRange m_selection;
 };