The date of publication or update of the content is made available in programmatic form
It is advisable to indicate a date of publication in your books. This date should also be available in the code of your pages. It is one way to help machines identify and classify content.
Objectives
Provide a publication date to read and index tools
Increase ranking by reading and classification engines
Implementation
Use date metadata for publication date
Use dcterms:modified metadata to indicate the date of the last modification made to the file
Control
Check the presence and accuracy of the metadata ‘dc:date’
Check the presence and relevance of the metadata ‘dcterms:modified’