<?php
sleep(30);
header('Location: data:image/gif;base64,R0lGODlhAQABAJAAAMjIyAAAACwAAAAAAQABAAACAgQBADs%3D')
?>
Codebase Browser
chromium
<?php
sleep(30);
header('Location: data:image/gif;base64,R0lGODlhAQABAJAAAMjIyAAAACwAAAAAAQABAAACAgQBADs%3D')
?>