@Override
    public String toString() {
        return "Site{" +
                "domain='" + domain + '\'' +
                ", userAgent='" + userAgent + '\'' +
                ", cookies=" + defaultCookies +
                ", charset='" + charset + '\'' +
                ", sleepTime=" + sleepTime +
                ", retryTimes=" + retryTimes +
                ", cycleRetryTimes=" + cycleRetryTimes +
                ", timeOut=" + timeOut +
                ", acceptStatCode=" + acceptStatCode +
                ", headers=" + headers +
                '}';
    }
Downloader is supposed to store response cookie.
Disable it to ignore all cookie fields and stay clean.
Warning: Set cookie will still NOT work if disableCookieManagement is true.
@param disableCookieManagement disableCookieManagement
@return this
webmagic-core/src/main/java/us/codecraft/webmagic/Site.java