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What changed
A typical untagged PDF fails seven groups of WCAG checks. Here is how each shows up in the accessible version.
- Alt text on every imageWCAG 1.1.1BeforeScreen readers announce nothingAfterDescriptive alt text generated and editable
- Document titleWCAG 2.4.2BeforeBrowser tab showed the filenameAfterA real <title> tag, visible on the tab and in search results
- Document languageWCAG 3.1.1BeforeAssistive tech had to guess the languageAfterlang="en" set on the document root
- Semantic structureWCAG 1.3.1BeforeFlat paragraph stream, no heading levels, no landmarksAfterh1/h2 hierarchy, <main>, <nav>, <figure>/<figcaption>
- Table headers & captionWCAG 1.3.1BeforeData cells with no header associationsAfter<thead>, scope="col"/"row", and a <caption>
- Skip to main contentWCAG 2.4.1BeforeUsers had to tab through every header elementAfterA visible-on-focus skip link jumps to #main
- Keyboard navigationWCAG 2.1.1BeforePDF UI traps keyboard focus in many viewersAfterFull keyboard control with native browser focus rings
Accessibility signals in the remediated version
- Automated score
- 100/100
- Automated issues
- 0
- Human checks
- 1
- Images with alt
- 1 / 1
- Tables with headers
- 1 / 1
- Reading time
- 2 min
- Word count
- 255
- Headings
- 5
The score covers machine-testable evidence. Human validation is shown separately and does not reduce the automated result or create a false conformance claim.
No issues found by the automated checks.
Human validation
Automated evidence passed: document order follows the visible layout, and the chart has a programmatic title, description, and visible caption. Complete a short screen-reader spot check before formal publication.
WCAG 1.1.1, 1.3.2: recommended validation
This was automatic.
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