Also getting this error.
Chrome:
Refused to execute script from 'https://www.local.com/2017/06/05/localpost/?cf_action=sync_comments&post_id=123' because its MIME type ('text/html') is not executable, and strict MIME type checking is enabled.'
Firefox:
The resource from “https://www.local.com/2017/06/05/localpost/?cf_action=sync_comments&post_id=123” was blocked due to MIME type mismatch (X-Content-Type-Options: nosniff).
Edge:
SEC7112: Script from https://www.local.com/2017/06/05/localpost/?cf_action=sync_comments&post_id=123was blocked due to mime type mismatch