Time to load jQuery + jQuery UI
Required time just to load jQuery and jQuery UI before any other script takes place: scary! > 100ms for cached scripts.
by rosenfeld
HTML
<!doctype html>
<html>
<head>
<title>jQuery load time</title>
<script type="text/javascript">var start = new Date()</script>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
<script type="text/javascript">var jqueryOnly = new Date()</script>
<script type="text/javascript" src="http://code.jquery.com/ui/1.9.1/jquery-ui.js"></script>
<script type="text/javascript">var end = new Date();</script>
</head>
<body>
<div>jQuery load time: <span id=jquery></span>ms</div>
<div>jQuery UI load time: <span id=jquery-ui></span>ms</div>
<div>jQuery + UI load time: <span id=jquery-ui-total></span>ms</div>
</body>
</html>
JavaScript
$('#jquery').text(jqueryOnly.getTime() - start.getTime())
$('#jquery-ui').text(end.getTime() - jqueryOnly.getTime())
$('#jquery-ui-total').text(end.getTime() - start.getTime())