<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
  </head>
  <body>
    <div aria-live="polite" aria-atomic="true">
      This picture is
      <img
        src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="
        alt="happy"
      />
    </div>
  </body>
</html>
