/**
 *  @author https://codepen.io/bookmarklets
 *  @file Get a wide variety of performance metrics for any webpage.<br><i class="gray">Not just speed, but all sorts of technical parameters at a single click!</i>
 *  Original Source {@link https://cdpn.io/bookmarklets/fullpage/NobJbq#}
 */

javascript: window.open('https://gtmetrix.com/?url=' + document.domain)