n of
  the URL to make the history state available to the user. These URLs can be
  bookmarked, edited, pasted in emails, etc., just like normal URLs. The browser's
  back and forward buttons will navigate between the visited history states.</p>

  <p>Try following the hash links below, or updating the location with your own
  tokens. Replacing the token will update the page address without appending a
  new history entry.</p>

  <p>
    Set #fragment<br>
    <a href="#first">first</a><br>
    <a href="#sec