public AppsWorldVisitorsParser(IEnumerable<Cookie> cookies, string referer) { var cookieContainer = new CookieContainer(); cookies.Each(c => { cookieContainer.Add(c); }); _webRequestHelper = new WebRequestHelper(null, cookieContainer) { MinRequestDelay = TimeSpan.FromSeconds(5) }; _webRequestHelper.SetParam(WebRequestParamType.UserAgentString, new WebRequestParamString(referer)); _webRequestHelper.SetParam(WebRequestParamType.AcceptString, new WebRequestParamString("application/json,application/javascript")); _webRequestHelper.SetParam(WebRequestParamType.ContentTypeString, new WebRequestParamString("application/json; charset=utf-8")); _webRequestHelper.SetParam(WebRequestParamType.HeadersArrayKeyValue, new WebRequestParamWebHeaderCollection(new WebHeaderCollection { }) ); }