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DELTA Accessibility

Accessibility

Clear without being thin. Detailed without becoming a wall.

DELTA aims to support keyboard, screen-reader, low-vision and cognitively accessible use while preserving the detail required for a defensible decision.

Design approach

Progressive explanation instead of permanent clutter.

The main form uses concise questions, standardised answer controls and short supporting descriptions. Complex explanations open only when the user requests them. Clicking elsewhere closes the explanation, which prevents stacked help content from obscuring later controls.

The design uses “Yes / No / Not sure” segmented controls for repeated trigger questions and preserves text labels alongside colour.

Current support

Accessibility features in the pilot.

01

Semantic structure

Landmarks, headings, labels, fieldsets, buttons, tables and status regions support navigation and interpretation.

02

Keyboard access

Navigation, fields, segmented controls, help buttons and application actions work without a pointer.

03

Visible focus

Interactive elements show a strong focus indicator and use practical target sizes.

04

Non-colour cues

Outcomes use words, icons and structure as well as colour.

05

Responsive layout

Product pages and the assessment reflow for narrow screens without deliberate horizontal scrolling.

06

Print structure

The report preserves headings, labels and page hierarchy when printed or saved as PDF.

Current limitations

  • The pilot has not completed an independent WCAG 2.2 AA audit.
  • Screen-reader and browser combinations require broader testing before production release.
  • The product does not yet provide a dedicated high-contrast theme or user-controlled typography panel.
  • Very long organisation-specific entries can affect print pagination.
  • The visual change maps remain supplementary; the text record contains the authoritative content.

Report a problem

Send the page, browser, assistive technology and failed task to contact@digidata.uk. Do not include confidential assessment content in the first message.

Accessibility statement version 0.3 · 14 August 2026.