Chris Whysong, PHD
IAAP Certified Accessibility Expert
Two images are displayed below. Each image displays a simple PDF document. The visual content of the documents is identical. However, the hidden content is different. Click the play button below the image on the left to hear a screen reader read a regular PDF document that has missing and incorrect accessibility features. Click the play button below the image on the right to hear a screen reader read an accessible PDF document.
Regular (Inaccessible) PDF Document:
Some of this PDF's accessibility problems:
- Title incorrectly announced as “Heading Level 2.”
- The word “blank” is announced after Paragraph 3.
- Reading order is incorrect.
- Paragraph 4 is read before Image 1 is announced.
- Images do not have alt text.
- Image 1 is announced as “Graphic 164.” Image 2 is announced as “Graphic 165.”
Accessible PDF Document:
Accessibility improvements include:
- Title correctly announced as “Heading Level 1.”
- The word “blank” is not announced after Paragraph 3.
- Reading order is correct.
- Image 1 is announced before Paragraph 4 is read.
- Images have concise alt text.
- Each image is announced as a “graphic.” Descriptive alt text is then read.