def check_admin(self, url):
        response = self.session.get(url + "/admin", timeout=7)
        if response.status_code == 404:
            return (False, None)
        data = response.content.lower()
        admin_found = '"id_username"' in data and ("csrfmiddlewaretoken" in data or "Django" in data or "__admin_media_prefix__" in data)
        return (admin_found, self._response_used_https(response))