Headings are particularly important as they are often used to perceive a document’s structure and to navigate through a document. The proper use of styles to denote headings (as opposed to merely using visual clues like bold text to indicate a new section) enables assistive technologies to also identify the various headings and sections in a document. As a result, people using assistive technology are able to navigate their way through the document as well.
Ensure that heading styles do not skip. For example, a heading level 1 cannot be followed by a heading level 3 (without a heading level 2 in-between).
CommonLook Office will display a warning message for each instance of skipped heading levels. To correct the problem, close CommonLook Office by clicking Close on the Word Ribbon and edit the document to ensure no heading levels are skipped.
Guidelines and Standards
This checkpoint is relevant to the following regulations, guidelines and standards.
|Section 508 (USA)||2001||“Web-Based Information & Applications”||Not required|
|W3C WCAG 2.0||2008||Web Content||SC 2.4.6|
|ISO 14289 (PDF/UA)||2012||PDF Technology||Section 7.4|