Accessibility

Accessibility statement.

Steady Signal is designed to support learners who benefit from accessible web experiences while they prepare for the Singapore PDVL assessment.

Conformance claim

WCAG 2.2 Level AA

As of 17 September 2026, the public PDVL assessment experience at https://pdvl.eddyhidayat.com conforms to the Web Content Accessibility Guidelines (WCAG) 2.2 at Level AA.

Claim date
17 September 2026
Scope
Public PDVL assessment experience
Relied-upon technologies
HTML, CSS, and JavaScript

Scope

What the claim covers

The claim covers the assessment experience and its normal recovery paths:

  • Landing page and paper selection
  • Practice mode selection
  • Guided practice questions and timers
  • Keyboard answer shortcuts and shortcut controls
  • Question navigation and focus progression
  • Answer review and submission confirmation
  • Results and Paper A module chaining
  • Storage, mismatch, invalid-link, and loading recovery states
  • Light, dark, and system themes

Assessment evidence

How accessibility was assessed

The assessment combined automated checks with manual interaction and assistive-technology review. It covered the following:

  • Automated production-build accessibility smoke checks using axe
  • Keyboard-only navigation through practice, review, dialogs, and results
  • Safari with VoiceOver, including question prompts, answer instructions, and status changes
  • Responsive layouts at 320x640, 390x844, 768x900, and 1280x720
  • Light, dark, and system theme controls
  • Browser zoom, text spacing, focus visibility, target sizes, and reflow

Supported characteristics

Accessibility features in the app

  • Semantic headings, landmarks, labels, and native form controls
  • Skip link to the main content
  • Screen-reader instructions for answer shortcuts
  • Optional 1-4 and A-D keyboard shortcuts
  • Question prompt focus after navigation
  • Focus management for answer progression and dialogs
  • Keyboard-operable question navigation with meaningful states
  • Accessible progress, timer, status, and submission messages
  • Responsive layouts with visible focus indicators
  • Persistent light, dark, and system theme choices

Maintenance

Keeping this statement current

This is a self-assessed conformance claim for the scope described above. It is not a certification by the W3C. Accessibility checks should be repeated when the assessment flow, content, styling, dependencies, or hosting configuration changes.