Kakao map 작업시 크롬개발자 도구 경고를 제거 할려고 하는되요 문의 드립니다

지도/로컬 API에 대한 문의게시판입니다.

kakao map 작업시 크롬개발자 도구 경고를 제거 할려고 하는되요 문의 드립니다.
현재 스크립트 지정은 아래와 같습니다.

    <script type="text/javascript"  src="https://dapi.kakao.com/v2/maps/sdk.js?appkey=1234567890" ></script>
  <script charset="UTF-8" class="daum_roughmap_loader_script" src="//ssl.daumcdn.net/dmaps/map_js_init/roughmapLoader.js"></script>

경고메세지 >>>>

A parser-blocking, cross site (i.e. different eTLD+1) script, http://t1.daumcdn.net/mapjsapi/js/main/4.2.0/kakao.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.

roughmapLoader.js:1 A parser-blocking, cross site (i.e. different eTLD+1) script, http://t1.daumcdn.net/kakaomapweb/place/jscss/roughmap/bdd89fff/roughmapLander.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.

DevTools failed to load SourceMap: Could not load content for http://t1.daumcdn.net/kakaomapweb/place/jscss/roughmap/bdd89fff/main.bdd89fff.js.map: HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE

링크 참고해주세요.
https://devtalk.kakao.com/t/topic/53763/2?u=lea.ju