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      <base href="https://bugs.webkit.org/" />
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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Background:fixed makes scrolling stutter"
   href="https://bugs.webkit.org/show_bug.cgi?id=162093">162093</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Background:fixed makes scrolling stutter
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Macintosh
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>OS X 10.11
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>CSS
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>goldorakhong&#64;gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>On some pages, a fixed background image makes the scrolling stutter like crazy on my machine (a Mac Mini Late 2012 i7 / 2560x1440 screen).
The effect is pretty obvious on this page :
<a href="http://www.gamekult.com/forum/topic-le-sac-a-dos-vr-ou-la-blague-qui-ne-sest-pas-arretee-a-temps-919427n.html">http://www.gamekult.com/forum/topic-le-sac-a-dos-vr-ou-la-blague-qui-ne-sest-pas-arretee-a-temps-919427n.html</a>

Firefox doesn't have this problem on the same machine.</pre>
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      </p>
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      <ul>
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