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+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
+   "http://www.w3.org/TR/html4/loose.dtd">
+
+<html lang="en">
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+  <title>Checking for simple image layer optimisation</title>
+  <style type="text/css" media="screen">
+    img {
+      float: left;
+      width: 150px;
+      height: 150px;
+    }
+    p {
+      clear: both;
+      margin: 1em 2em;
+      height: 180px;
+    }
+    img {
+      -webkit-transform: rotate3d(0, 0, 1, 0);
+    }
+   </style>
+</head>
+<body>
+
+  <h1>Image optimisation in layers</h1>
+
+  <p style="height: auto">
+    In order to run this test you should enable the debugging options that indicate
+    what type of compositing layer is being used.
+  </p>
+  
+<pre>
+defaults write com.apple.Safari WebCoreLayerRepaintCounter -bool yes
+defaults write com.apple.Safari WebCoreLayerBorders -bool yes
+</pre>
+  
+  <p style="height: auto">
+    Directly composited image layers will have a yellow border and no repaint counter.
+  </p>
+
+  <p>
+    <img src="resources/simple_image.png">
+    Basic image - no style - can be directly composited
+  </p>
+
+  <p>
+    <img src="resources/simple_image.png" style="border: 5px solid blue;">
+    5px blue border - can NOT be directly composited
+  </p>
+
+  <p>
+    <img src="resources/simple_image.png" style="margin: 10px 20px;">
+    margin - can NOT be directly composited
+  </p>
+
+  <p>
+    <img src="resources/simple_image.png" style="background-color: grey;">
+    solid background - can be directly composited
+  </p>
+
+  <p>
+    <img src="resources/simple_image.png" style="background: orange url(resources/simple_image.png) -50px -50px;">
+    background image - can NOT be directly composited
+  </p>
+
+  <p>
+    <img src="resources/simple_image.png" style="-webkit-transform: rotate3d(0, 0, 1, 10deg);">
+    rotated but otherwise no style - can be directly composited
+  </p>
+
+
+
+
+</body>
+</html>