UX Research Term

Screen Reader

A screen reader is assistive technology software that converts digital text into synthesized speech or braille output. It helps users with visual impairments or reading disabilities navigate websites, applications, and digital documents by audibly announcing on-screen content.

What is a Screen Reader?

Screen readers are essential digital accessibility tools that interpret and verbalize what appears on a screen. They provide auditory descriptions of elements like text, images (via alt text), buttons, menus, and other interface components. Popular screen readers include:

  • JAWS (Job Access With Speech): One of the oldest and most widely used commercial screen readers, primarily for Windows
  • NVDA (NonVisual Desktop Access): A free, open-source option for Windows that has gained significant popularity
  • VoiceOver: Built into Apple's macOS, iOS, and iPadOS
  • TalkBack: Google's screen reader for Android devices
  • Narrator: Microsoft's built-in screen reader for Windows

Screen readers transform visual information into non-visual formats, creating an audio representation of digital interfaces through a combination of synthesized speech, keyboard commands, and navigation shortcuts.

Why Screen Readers Matter

The importance of screen readers extends beyond mere convenience:

  • Digital inclusion: They provide essential access to digital content for approximately 285 million people worldwide with visual impairments
  • Legal compliance: Many countries have digital accessibility laws requiring websites to be screen reader compatible
  • Universal usability: Making content accessible for screen readers often improves the experience for all users
  • Diverse usage contexts: Benefits users in hands-free situations or those with learning disabilities
  • Business reach: Accessible websites reach more potential customers and reduce legal liability

How Screen Readers Work

Screen readers interact with digital content through several key components:

Core Components

  1. Document Object Model (DOM) interpretation: Screen readers analyze the website or application structure to understand content hierarchy
  2. Text-to-speech engine: Converts text into spoken words using synthesized voices
  3. Navigation system: Provides shortcuts to move through content in logical sequences
  4. Focus management: Highlights and announces the currently active element
  5. Assistive features: Includes spelling capabilities, table navigation, and form controls

Navigation Methods

Users navigate with screen readers primarily through:

  • Sequential reading: Moving through content linearly from top to bottom
  • Element skipping: Jumping between headings, links, landmarks, or form elements
  • Search functionality: Finding specific text or elements
  • Keyboard shortcuts: Using combinations of keys to perform specific actions

Screen Reader Best Practices

To ensure your digital products work effectively with screen readers:

Use proper HTML semantics (headings, landmarks, lists) to create logical content structure ✅ Add descriptive alt text to all informative images ✅ Create descriptive link text that makes sense out of context ✅ Label form controls clearly with properly associated labels ✅ Test with actual screen readers like JAWS, NVDA, or VoiceOver ✅ Ensure keyboard accessibility since screen reader users navigate primarily by keyboard ✅ Follow WCAG (Web Content Accessibility Guidelines) standards

Common Screen Reader Mistakes

Avoid these frequent accessibility pitfalls:

Missing alt text or uninformative descriptions ("image1.jpg") ❌ Inaccessible interactive elements that can't be operated by keyboard ❌ Poor heading structure that doesn't reflect the content hierarchy ❌ Unlabeled form fields that don't communicate their purpose ❌ Complex tables without proper headers or structure ❌ Reliance on visual cues without text alternatives ❌ Auto-playing media that interferes with screen reader output

Screen Readers and Card Sorting

When conducting UX research with screen reader users, card sorting activities must be adapted to ensure accessibility:

  • Digital card sorting tools should be tested for screen reader compatibility
  • Category labels and card content must be readable by assistive technology
  • Navigation between cards and categories should work via keyboard commands
  • Instructions should be clear and accessible at the beginning of the exercise

Using card sorting with screen reader participants provides invaluable insights into how these users mentally organize content, helping you create information architectures that work for all users regardless of ability.

Getting Started with Screen Reader Testing

Begin incorporating screen reader compatibility into your design process:

  1. Install a free screen reader like NVDA or use built-in options like VoiceOver
  2. Learn basic navigation commands for your chosen screen reader
  3. Test your website or application with the screen reader turned on and the monitor off
  4. Include screen reader users in your usability testing
  5. Use automated accessibility testing tools as a starting point, but don't rely on them exclusively

By understanding how screen readers interpret your digital products, you'll create more inclusive experiences that serve all users better.

Want to ensure your information architecture works for screen reader users? Try a free card sort and include participants who use assistive technology in your research.

Try it in practice

Start a card sorting study and see how it works