The Field (or Missing Metadata) report gives details on metadata completion and can be accessed by selecting the listed next to each publisher name in the Depositor Report. Fields checked are volume, issue, page, author, article title, and Similarity Check as-crawled URL.
Selecting a title will retrieve a list of DOIs for the title and flagged fields for each DOI. For example, the DOIs in this report lack page and author information:
Although the Crossref deposit schema specifies that some bibliographic metadata is optional for DOI registration purposes, we strongly encourage members to register comprehensive metadata for each DOI deposited.