Ensures the response's url isn't from a subdomain.

        :param obj response: The scrapy response
        :param dict site_dict: The site object from the JSON-File

        :return bool: Determines if the response's url is from a subdomain

def is_not_from_subdomain(self, response, site_dict):
        """
        Ensures the response's url isn't from a subdomain.

        :param obj response: The scrapy response
        :param dict site_dict: The site object from the JSON-File

        :return bool: Determines if the response's url is from a subdomain
        """

        root_url = re.sub(re_url_root, '', site_dict["url"])
        return UrlExtractor.get_allowed_domain(response.url) == root_url