JSStats Bookmarklet
by Alex
JavaScript
javascript: (function () {
var script = document.createElement('script');
script.src = 'http://github.com/mrdoob/stats.js/raw/master/build/Stats.js';
document.body.appendChild(script);
script = document.createElement('script');
script.innerHTML = 'var interval=setInterval(function(){if(typeof Stats==\'function\'){clearInterval(interval);var stats=new Stats();stats.domElement.style.position=\'fixed\';stats.domElement.style.right=\'0px\';stats.domElement.style.bottom=\'0px\';document.body.appendChild(stats.domElement);setInterval(function(){stats.update();},1000/60);}},100);';
document.body.appendChild(script);
})();