Using a Braille Display for Web Testing: A Tutorial

Using a Braille Display for Web Testing: A Tutorial

Introduction

Digital accessibility is no longer optional—it's expected. For inclusive websites and applications, accessibility testing is a must. While it's common to test with screen readers, color contrast analyzers, and keyboard-only navigation, many development teams forget one critical tool: the Braille display.

Braille displays, also known as refreshable Braille terminals, are powerful technologies that allow people who are blind or deafblind to navigate the web via tactile output. Incorporating these devices into your accessibility testing process offers valuable insights—and significantly enhances your efforts toward meeting accessibility standards such as WCAG, the ADA, the EAA, and EN 301 549.

In this comprehensive tutorial, we explore how to use a Braille display for web testing, why it matters, and how tools like allyWay support and optimize this essential process. Whether you’re a business owner, agency, or developer, this guide will equip you to better understand digital accessibility and make more inclusive design choices.

What is a Braille Display and How Does It Work?

A Braille display is an assistive technology device that connects to a screen reader and translates on-screen text into Braille characters using movable pins. These pins rise and fall to form Braille cells that users can read by touch.

Unlike screen readers that provide audio output, Braille displays serve users who:

• Are deafblind and cannot rely on auditory output
• Prefer reading Braille for better precision
• Require silent operation in professional or public settings

Components of a Braille Display

Most Braille displays include:

• Braille cells that dynamically refresh as the user navigates
• Navigation keys to move through content
• Routing keys for cursor placement
• Bluetooth/USB connection to work with computers, tablets, or phones

Common Braille Displays:

Using a Braille display involves integrating it with a screen reader like JAWS, NVDA, or VoiceOver. These screen readers send textual information to the Braille device in real-time.

Why Include Braille Displays in Web Accessibility Testing?

Relying solely on visual or auditory accessibility checks leaves a significant experience gap for Braille users. Here's why testing with Braille displays matters:

1. Inclusive Testing for Deafblind Users

Deafblind users rely exclusively on Braille output. Failing to test with refreshable Braille devices increases the risk of content being inaccessible to this group.

2. Precision Reading Requires Structural Accuracy

Braille displays provide exact textual information. Formatting issues—like missing headings or improper ARIA roles—can cause confusion or prevent navigation entirely.

3. WCAG and EN 301 549 Expectations

While guidelines like WCAG don’t mandate the use of specific technologies, they emphasize perceivable, operable, understandable, and robust content. Braille testing checks all four principles.

4. Validating Semantic HTML

Braille displays reveal whether semantics such as headings (<h1>, <h2>), landmarks (<nav>, <main>), and form roles are applied correctly.

5. Real-User Empathy

Testing with Braille allows teams to experience firsthand how inclusive—or exclusive—your digital experience really is.

☑ allyWay helps streamline the accessibility review process and supports optimization for assistive technologies like screen readers and Braille displays.

Setting Up a Braille Display for Web Testing

To test reliably, a proper configuration is essential. Follow these step-by-step instructions to start using a Braille display in your web testing workflow.

Step 1: Gather Equipment

You'll need:

• A Braille display (such as Focus 40 or Orbit Reader)
• A computer or device with a supported OS
• A screen reader (JAWS for Windows, NVDA, or VoiceOver for macOS)
• Your website or web app

Step 2: Install and Configure the Screen Reader

Examples:

• JAWS: Industry-standard screen reader; pairs well with Freedom Scientific Braille displays.
• NVDA: Free, open-source screen reader; widely used in testing workflows.
• VoiceOver: Built into macOS and iOS devices.

Step 3: Connect the Braille Display

Plug in your device via USB or pair via Bluetooth. Install the necessary drivers (usually provided by the manufacturer). In screen reader settings, enable Braille support and select your device.

Step 4: Navigate Your Website

Practice using:

• Tab navigation to test keyboard accessibility
• ARIA regions and landmarks
• Form controls, error messaging, and buttons
• Headings (H key in JAWS)
• Links (L key in NVDA)

Test semantic structure and reading flow. Misused tags or skipped headings will directly impact what the Braille display shows.

Accessibility Testing Tasks with Braille Displays

Accessibility QA professionals can use Braille displays to perform several critical tasks as part of their audit or compliance readiness reviews.

Navigation and Structure Testing

Use a Braille display to validate:

• Presence of semantic headings
• Logical content order
• Landmarks like <main>, <header>, and <nav>
• Banner and footer detection

Improve user flow by organizing content predictably, as screen reader + Braille users often scan via headings or landmarks.

Form and Input Field Validation

Braille displays reveal ambiguities in:

• Form field labels
• Placeholder misuse (not announced)
• Error messaging visibility
• Required fields announcement

Link Description Accuracy

Ensure all links:

• Make sense out of context
• Do not rely solely on color
• Have descriptive text like “View Services” instead of “Click here”

Dynamic Content Testing

Use the display to validate:

• ARIA live regions
• Modals or dialogs
• Alerts and notification banners

If your website uses dynamic content (e.g. AJAX), make sure updates are communicated accurately through the screen reader.

allyWay: Supporting Accessibility for Braille and Beyond

While Braille display testing should be part of your manual process, platforms like allyWay enhance your overall accessibility posture.

How allyWay Benefits Accessibility Professionals:

→ While testing with Braille displays is manual, allyWay complements this process by automating many accessibility improvements and facilitating inclusive design.

Accessibility Standards Related to Braille Support

It’s important to understand how Braille display support intersects with legal and technical requirements:

✓ WCAG (Web Content Accessibility Guidelines)

• Perceivable: Content must be available to Braille users
• Operable: Keyboard-only and screen reader-compatible
• Understandable: Text clarity and form labeling
• Robust: Clean HTML and ARIA usage for assistive technologies

✓ ADA (Americans with Disabilities Act)

While the ADA doesn’t mandate specifics, it encourages equal access. Supporting Braille devices aligns well with ADA principles of accessibility in public digital spaces.

✓ EN 301 549

This European accessibility standard emphasizes assistive technology compatibility—making Braille display testing critical for public sector websites in the EU.

✓ EAA (European Accessibility Act)

The EAA aims to remove barriers for all users, including those relying on Braille displays. Businesses across industries will need to show they’ve made reasonable efforts toward accessibility.

→ allyWay does not guarantee legal compliance, but it supports your team’s ability to address these key standards more efficiently and effectively.

Real-World Testing Scenarios

Deploying Braille displays in QA or usability testing allows teams to address common challenges first-hand.

Scenario 1: Broken Form Flow

A form lacks ARIA labels, placeholder texts are used instead of visible labels. Braille users cannot determine what info is required until errors appear.

What to Fix:

• Add label for attributes
• Use aria-describedby for help text
• Avoid using placeholders as only source of field info

Scenario 2: Modal Dialog Not Announced

A pop-up opens on form submission, but Braille display stays on the original page.

What to Fix:

• Apply role="dialog"
• Use aria-labelledby and aria-describedby
• Manage keyboard focus into the dialog

→ Combining issues like this with tools like allyWay creates a robust testing pipeline that addresses both visual and assistive technology barriers.

Frequently Asked Questions

Can allyWay help with Braille display testing?

allyWay helps reduce accessibility barriers and supports assistive technologies, including screen readers which Braille displays connect to. While it doesn't replace manual Braille testing, it significantly reduces the number of manual issues developers must fix.

Do I need special training to use a Bra