Recognized characters do not make a document accessible
OCR can supply characters, but accessibility also needs semantics and a reliable navigation order.
Use this review to distinguish character recognition from accessibility remediation and to identify the headings, lists, tables, links, language, and navigation order that still need structural work. A successful check follows the exported sequence with assistive technology rather than judging only the visible page.
Build a review sample with PDF to Text. Use the next control in Multi-Column OCR and Reading Order Review and Searchable PDF vs Plain Text: Choose the Right OCR Output.
Accessibility review controls
- Confirm real text exists
- Set document language
- Repair heading and list structure
- Check table headers
- Test reading and focus order
Check semantics and sequence separately from appearance
OCR is only one layer
An accessible document may need headings, lists, table headers, alternative text, meaningful links, document language, form labels, and bookmarks.
Inspect sequence, not appearance
A page can look correct while assistive technology encounters a sidebar, footer, second column, and main paragraph in the wrong order.
Remediate in an appropriate editor
Use OCR output to reduce retyping, then repair document structure and test with accessibility tools and representative users where appropriate.
Audit the document without relying on its visual layout
After OCR, navigate the document using its programmatic structure. Follow headings, lists, links, table headers, and form labels in sequence. A sighted reader may infer that a sidebar is separate or that a bold line is a heading, while assistive technology receives only the encoded order and roles.
Test a multi-column page by reading or copying its underlying sequence from start to finish. Check where captions, footnotes, headers, and page numbers enter the flow. Repair structure in a suitable editor, set the document language, and confirm focus order for interactive elements. Selectable text is only the starting layer.
- Check semantics and sequence separately
- Use real table headers and labels
- Retest after remediation
Run the reading-order test without looking at the page
A visual scan can hide sequence defects because the eye jumps between regions. Test the exported structure as a linear experience.
Headings and landmarks
Confirm that section labels describe the content and that navigation reaches the main text before repeated furniture.
Tables and lists
Check that headers are associated with cells and that list relationships survive rather than becoming unrelated lines.
Links and controls
Read link purpose out of context, follow focus order, and confirm every control has an understandable name.
Language and alternatives
Set the document language, mark language changes, and provide alternatives for meaningful non-text content.
The review is complete only when the exported sequence works without relying on visual position. OCR supplies characters; document remediation supplies semantics.
Accessibility layer check
| Layer | OCR provides it | Additional work |
|---|---|---|
| Characters | Usually | Correct suspects |
| Reading sequence | Sometimes | Verify programmatic order |
| Headings and lists | No reliable semantics | Tag structure |
| Tables and forms | Text only | Add headers, labels, and relationships |
OCR is not accessibility remediation
Recognized characters do not create headings, lists, table headers, link purpose, form labels, language metadata, or dependable focus order. Visual appearance cannot confirm the programmatic sequence.
Why the sources are separated from the checklist
Accessibility standards define outcomes and relationships, while format documentation explains implementation. Neither source replaces testing the finished document with inspection tools and assistive technology.