PRoConEvents.MULTIbalancer.FetchWebPage C# (CSharp) Method

        private bool FetchWebPage(ref String result, String url)
        {
            bool ret = false;
            try {

            WebClient client = new WebClient();
            String ua = "Mozilla/5.0 (compatible; PRoCon 1; " + GetPluginName() + ")";
            // XXX String ua = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; .NET CLR 3.5.30729)";
            if (DebugLevel >= 8) DebugFetch("Using user-agent: " + ua);
            client.Headers.Add("user-agent", ua);

            DateTime since = DateTime.Now;

            result = client.DownloadString(url);

            /* TESTS
            String testUrl = "http://status.savanttools.com/?code=";
            html_data = client.DownloadString(testUrl + "429%20Too%20Many%20Requests");
            //html_data = client.DownloadString(testUrl + "509%20Bandwidth%20Limit%20Exceeded");
            //html_data = client.DownloadString(testUrl + "408%20Request%20Timeout");
            //html_data = client.DownloadString(testUrl + "404%20Not%20Found");
            */

            DebugFetch("^2^bTIME^n took " + DateTime.Now.Subtract(since).TotalSeconds.ToString("F2") + " secs, url: " + url);

            if (Regex.Match(result, @"that\s+page\s+doesn't\s+exist", RegexOptions.IgnoreCase | RegexOptions.Singleline).Success) {
            DebugFetch("^b" + url + "^n does not exist", 3);
            result = String.Empty;
            return false;
            }

            ret = true;
            } catch (WebException e) {
            if (DebugLevel >= 3 && DebugLevel < 7) DebugFetch("FAILED for url: " + url, 3);
            if (e.Status.Equals(WebExceptionStatus.Timeout)) {
            if (DebugLevel >= 3) DebugFetch("WEB EXCEPTION: HTTP request timed-out", 3);
            } else {
            if (DebugLevel >= 3) DebugFetch("WEB EXCEPTION: " + e.Message, 3);
            }
            DebugWrite("Full exception: " + e.ToString(), 7);
            ret = false;
            } catch (Exception ae) {
            if (DebugLevel >= 3 && DebugLevel < 7) DebugFetch("FAILED for url: " + url, 3);
            if (DebugLevel >= 3) DebugFetch("EXCEPTION: " + ae.Message, 3);
            DebugWrite("Full exception: " + ae.ToString(), 7);
            ret = false;
            }
            return ret;
        }