piwik-timing.js

// later require
var start=window.performance.now();
CloudFlare.define("stuff",
    ['cloudflare/console'],
    function(console) {
    var url='https://piwik-ssl.ns1.net/piwik.js';
        CloudFlare.require([url], function(url) {
            window.console.log("require later time differential =");
            window.console.log(window.performance.now() - start);
        });
    }
);

// vs.

var start2=window.performance.now();
// require in definition, url should be undefined
CloudFlare.define("stuff2",
    ['cloudflare/console','https://piwik-ssl.ns1.net/piwik.js'],
    function(console, url) {
        window.console.log("require in definition time differential =");
        window.console.log(window.performance.now() - start2);
    }
);