This article applies to: Web Accessibility
Bookmarks help users of assistive technology navigate to sections of long documents. Bookmarks should follow the existing structure including the table of contents and headers.
Bookmarks are good for breaking long documents into chunks and allowing users to jump directly to the content they need. When headers are insufficient, bookmarks helps the user navigate the document.
LinkedIn Learning tutorial on Adding bookmarks in Word
LinkedIn Learning tutorial on Adding bookmarks in InDesign
LinkedIn Learning tutorial on Adding bookmarks Acrobat (DC)