The paper deals with the issues of placing metadata of scientific publications in the Crossref bibliographic database. All information contained in the metadata is analyzed by Crossref and displayed in various reports. The reports give the publisher an idea of the completeness and correctness of the bibliographic data presented. The completeness and correctness of metadata directly or indirectly affect the number of views and citations of a publication, and, accordingly, the ratings of scientific publications, authors, and organizations.