Daniel Treufeld

Senior Designer UX / UI

What Digital Accessibility Is and Why It Matters

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by

Daniel Treufeld
in

Digital accessibility means designing and building digital products and services so that people with disabilities can use them effectively, independently, and with dignity—across different devices, contexts, and assistive technologies (like screen readers, magnifiers, switch devices, or speech input).

In practice, accessibility is not a “nice-to-have UI polish.” It affects whether someone can buy a ticket, open a bank account, read an e-book, complete a checkout, or use a customer portal—and it increasingly matters from a legal, commercial, and risk perspective in the EU.

The European Accessibility Act (EAA) sets that expectation at market level: it’s an EU directive that harmonises accessibility requirements for certain products and services across Member States.

Digital accessibility in one sentence

Digital accessibility is the ability for all people—including people with visual, hearing, motor, cognitive, and speech disabilities—to perceive, operate, understand, and robustly interact with digital content and functionality.

This framing maps to the internationally used WCAG principles (POUR: Perceivable, Operable, Understandable, Robust) and their testable success criteria.

What “accessible” looks like in real products

Accessibility becomes real when it’s measurable in everyday flows, for example:

  • Keyboard-first operation works everywhere: menus, dialogs, date pickers, and custom components are usable without a mouse.
  • Screen reader output is meaningful: buttons announce their purpose (“Pay now”) rather than generic labels (“Button”).
  • Visuals are readable and adaptable: sufficient contrast, resizable text, no content loss at higher zoom.
  • Errors are understandable and fixable: form validation points to the field, explains the issue, and tells the user how to fix it.
  • Time limits and motion don’t block users: users can extend timeouts; animations don’t trigger vestibular issues.
  • Documents and media are inclusive: captions, transcripts, and accessible PDFs where PDFs are required.

The key takeaway for teams: accessibility is not only about the “front-end.” It includes content, UX flows, design systems, QA practices, procurement decisions, and operational ownership.

The legal angle in the EU: the European Accessibility Act

The EAA is Directive (EU) 2019/882 on accessibility requirements for products and services. Member States had to transpose it into national law by 28 June 2022, and must apply the measures from 28 June 2025.

The European Commission’s overview lists the kinds of products and services covered, such as computers and operating systems, smartphones, ATMs and ticketing/check-in machines, e-books, e-commerce, banking services, and certain passenger transport services.

What this means for companies

Even if your team has done accessibility “because it’s the right thing,” the EAA changes the conversation:

  • Accessibility becomes a market access requirement for covered products/services (and a procurement and partner requirement for many others).
  • The risk shifts from “best practice gap” to compliance and enforcement exposure, depending on local implementation and market surveillance.

Standards teams actually use: WCAG and EN 301 549

Most digital teams implement accessibility using WCAG (Web Content Accessibility Guidelines) as the testable baseline. WCAG 2.2 extends WCAG 2.1 and is a W3C Recommendation; conforming to 2.2 also conforms to 2.1/2.0 (with a small caveat about one removed criterion).

In Europe, an especially important standard is EN 301 549 (“Accessibility requirements for ICT products and services”). It’s widely used as a technical benchmark and draws heavily from WCAG (especially for web content).

If your organisation works with public sector, regulated industries, or EU-wide procurement, EN 301 549 often becomes the “contract language” that connects policy to testable requirements.

Accessibility is a team sport: what each role needs to do

Below is a practical map for cross-functional teams—so accessibility doesn’t “belong to one specialist” and then fail at the handoffs.

Product Owners / Product Managers

  • Define scope and risk early: which journeys are in-scope (e.g., checkout, onboarding, account area)?
  • Add accessibility to product requirements (not as a non-functional afterthought).
  • Track: accessibility defects and user-reported barriers as product quality metrics.

UX / UI Designers

  • Design for keyboard and screen readers, not only for pixels.
  • Use accessible patterns (focus order, dialog behavior, error messaging, form layouts).
  • Build accessibility into the design system: components, states, color tokens, motion rules.

Developers (Front-end, Mobile, Full-stack)

  • Implement semantic structure, ARIA only where needed, and robust focus management.
  • Make custom components behave like native ones (keyboard, name/role/value).
  • Ensure dynamic updates are announced appropriately and don’t trap focus.

Content Authors (Marketing, Help Center, In-app content)

  • Write clear headings, descriptive link text, and meaningful button labels.
  • Avoid “visual-only” instructions (“click the red button on the right”).
  • Ensure alt text is purposeful (what users need to know, not what the image looks like).

Researchers (UX Research, Insights, CX)

  • Include disabled participants where possible; otherwise, validate with assistive tech users and specialists.
  • Test real tasks, not “can they see this page?”
  • Capture accessibility barriers as blocked outcomes (task failure), not just “feedback.”

QA / Test Engineers

  • Add accessibility to test plans: keyboard, screen reader smoke tests, zoom/reflow, contrast checks.
  • Prevent regressions with component-level tests and “definition of done” gates.
  • Treat accessibility bugs like functional bugs (severity tied to blocked tasks).

Agile roles (Scrum Masters, Coaches)

  • Ensure accessibility is visible in the process: backlog items, refinement, acceptance criteria.
  • Support cross-team alignment so work isn’t postponed to “hardening sprint.”

Managers / Leadership / Procurement

  • Fund the work realistically: training, time for remediation, and a governance model.
  • Build supplier requirements: if you buy software/components, accessibility must be part of vendor evaluation.
  • Set accountability: who owns accessibility outcomes after launch?

Helpful references