In order for a PDF document to be technically accessible, the PDF/UA identifier (metadata) must be set.Continue reading "PDF/UA identifier is missing"
In the document properties of the PDF you can define whether the document is displayed with the file name or the document title. This appears in the window title bar of Acrobat (Reader) as well as AT uses this kind of information.Continue reading "Document title isn’t set"
To ensure that the structure made with headings can always be understood, the heading levels mustn’t be skipped. This means <H1> mustn’t be followed directly by <H3>. However, after a <H3> another <H1> can follow, because a new chapter begins for example.Continue reading "Skipped heading levels"