Skip external resources (remote images, style sheets, linked files) referenced by the document, so that opening, previewing or saving a document makes no network or file-share request. Default is true.
Resources that are loaded even when SkipExternalResources is true. An entry is either a host name (matches that host and its subdomains, for example “example.com”) or an absolute URI prefix (for example “https://cdn.example.com/images/").