Accessibility
Design and document practices enabling equal access for all users.
Definition
Includes reading order, semantics, contrast, and alternative descriptions.
Why it matters
Affects legal/compliance and usability outcomes.
Related PDFHQ workflows
Use this concept when optimizing, converting, validating, or troubleshooting document workflows.
Related Knowledge
Tagged PDF
PDF containing semantic tags for structure and assistive reading.
Assistive Technology
Software or hardware used by people with disabilities to consume content.
PDF/UA
PDF/UA is an accessibility-focused PDF profile aimed at usable documents for assistive technologies.
Reading Order
Logical sequence assistive technologies use to read document content.
Alternate Text
Text alternative that describes meaningful non-text elements like images.
Artifact
Decorative/non-semantic PDF content excluded from logical reading order.