chromium/chrome/test/data/predictors/html_subresources.html

<!DOCTYPE html>
<html>
  <head>
    <title>Subresources collection</title>
    <!-- Suppress browser request for favicon.ico -->
    <link rel="shortcut icon"type="image/x-icon" href="data:image/x-icon;,">
    <link rel="stylesheet" href="http://baz.com:REPLACE_WITH_PORT/predictors/style.css">
    <style type="text/css">
      @font-face {
        font-family: "Whatever";
        src: url(http://foo.com:REPLACE_WITH_PORT/predictors/font.ttf) format("truetype");
      }
      p.customfont {
        font-family: "Whatever", Verdana;
      }
    </style>
    <script src="http://foo.com:REPLACE_WITH_PORT/predictors/script.js"></script>
  </head>
  <body>
    <img src="http://bar.com:REPLACE_WITH_PORT/predictors/image.png">
    <p class="customfont">Hello world!</p>
  </body>
</html>