def is_json_response(response):
    """Returns ``True`` if response ``Content-Type`` is JSON.

    :param response: :class:~`requests.Response` object to check
    :type response: :class:~`requests.Response`
    :returns: ``True`` if ``response`` is JSON, ``False`` otherwise
    :rtype bool:
    """
    content_type = response.headers.get('Content-Type', '')
    return content_type == 'application/json' or content_type.startswith('application/json;')