Accessibility

Assistive Technology Testing

A practical UX and accessibility method for validating real-world usability with assistive technologies across key journeys.

How to run assistive technology testing to identify compatibility and interaction barriers beyond baseline compliance.

07 April 20134 min read

Quick take

If your product doesn’t work with assistive tech, it doesn’t work for a lot of people.

What it is

Assistive technology testing is a UX and method used to evaluate how well a product works with tools that people rely on to interact with digital experiences.

These tools include , voice control software, screen magnifiers, switch devices, and other technologies.

The method involves testing real using these tools to understand how the experience actually works in practice.

It goes beyond compliance to focus on real .

The goal is to ensure the product works effectively for people with different needs, abilities, and ways of interacting.

Assistive technology testing shows whether accessibility holds up in real conditions, not just in audits.

When to use it

Use this method when needs to work in reality, not just on paper.

It is most useful when:

you are building or auditing accessible products
you need to validate real user experience
you are working in regulated sectors
you want to go beyond WCAG compliance
you are testing complex interactions

It is less useful when:

the product is still in very early concept stages
accessibility is not being prioritised
Assistive technology testing is often used alongside accessibility audits and WCAG reviews.

Key takeaway

Use this method when the question is whether people can actually use the product with their real tools.

How to run it

Set up properly.

Before you start, be clear on which assistive technologies to test, the key to evaluate, and expected .

Use real tools and realistic scenarios.

Run the method.

Assistive technology testing is hands-on and scenario-based.

Use assistive technologies to navigate the product. Attempt to complete key tasks. Observe how content and behave. Test across different tools and devices. Note issues in and interaction.

Focus on real use, not just technical checks.

Capture and make sense of it.

The value comes from real-world .

After testing: identify barriers and issues, highlight inconsistencies across tools, prioritise fixes based on impact, and validate improvements.

Use this to improve in practice.

What to look for

Focus on:

Compatibility
Whether the product works with different tools
Usability
Ease of completing tasks
Interaction
How users engage with elements
Consistency
Behaviour across technologies
Barriers
Issues that block or slow users

Where it goes wrong

Most issues come from:

If it only works in theory, it doesn’t work.

testing only one type of assistive technology
relying on automated tools
not testing real user journeys
misunderstanding how tools are used
ignoring findings

What you get from it

Done properly, this method gives you:

real insight into accessibility usability
identification of critical barriers
improved experience across technologies
stronger, more inclusive design

Key takeaway

It helps ensure your product works for everyone.

Get in touch

If this sounds like something you need, we can test your product with assistive technologies and fix the issues that impact real users.

No guesswork. No assumptions. Just that actually works.

FAQ

Common questions

A few practical answers to the questions that usually come up around this method.

What is assistive technology testing in UX?

It is a method for testing how a product works with tools like and voice control.

When should you use assistive technology testing?

During and before .

What tools should you test with?

, voice control, magnifiers, and other assistive tech.

Is it the same as a WCAG review?

No. It focuses on real , not just compliance.

Does assistive technology testing improve UX?

Yes. It ensures your product works in real-world conditions for all users.

LET'S WORK TOGETHER

Ready to improve your product?

UX, research and product leadership for teams tackling complex digital services. The work usually starts where things have become harder than they need to be: unclear journeys, inconsistent products, competing priorities, or teams trying to move forward without a clear direction. I help simplify the problem, shape the right next step, and turn complexity into something people can actually use.

Previous feedback

Will Parkhouse

Senior Content Designer

01/20