Your website can handle 10,000 requests a second. Can your user handle three pop-ups?

October is ADHD Awareness Month. Usually, this guarantees a wave of colorful LinkedIn posts and a brief spike in hashtags before the industry goes back to business as usual. But let’s use it to talk about the hard reality of the digital products we build. 

We focus on contrast ratios, write alt text and ensure every button works with a keyboard. That is the baseline. What we routinely ignore is the invisible toll our digital experiences take on the people using them: cognitive load. Cognitive accessibility isn't just about designing for neurodivergent users. The things that make an interface work for someone with ADHD (predictability, clear visual hierarchy and reduced working memory load) are the exact same things that save a tired parent, an overwhelmed executive or anyone trying to complete a task on a bad Tuesday.

When we build digital journeys, we tend to design for a user who doesn't exist. We map out "happy paths" for a perfectly focused individual who remembers everything from the previous screen, never gets an urgent message halfway through checkout and has infinite patience for our "delightful" scroll animations. Real people have limited working memory, different brains and zero patience. Websites, platforms and apps are all competing for the exact same sliver of attention. If your UX requires users to spend their limited mental energy just figuring out how your system works, they will leave.

The Human Stress Test

We run serious technical stress tests on our products. We check load balancers, server latency and network conditions. But we fail to run human stress tests.
Next time you map a journey, throw away the perfectly neat "Average Joe" persona. Test your flows against the users who actually break them:

• The interrupted user: who gets a phone call, abandons the tab and returns tomorrow.
• The overwhelmed user: who has exactly two minutes and three other things on their mind.
• The hesitant user: who changes their mind (and their input) four times.
• The mistake-maker: who clicks the wrong button and desperately needs an obvious way back. 

Designing for these scenarios isn't rocket science, but it requires a shift in how we approach UX. Here are five principles to get you started. 

5 Ways to Lower Cognitive Load in UX

1. Stop stealing attention 
   We know the KPIs behind exit-intent pop-ups, urgency banners and chat widgets. But throwing a cookie banner, a chatbot widget and a limited-time coupon at a user trying to complete a single task kills conversion faster than it boosts it.
   
   The Fix: Keep the main task the undisputed hero of the screen. Allow users to pause or hide anything that moves (meeting WCAG 2.2.2 accessibility criterion) and make dismissing non-essential content a one-click reflex.
2. Don't make users remember what the system can 
   Whether it's executive dysfunction or just a busy day, nobody wants to hold your data in their head. Why ask a user to remember information the system already processed?
   
   The Fix: Keep instructions visible instead of hiding them in placeholders that vanish when typing starts. Pre-fill data wherever possible. If they leave and come back, save their progress and let them pick up right where they left off.
3. Keep the magic, lose the maze
   We love award-winning craft. Cinematic scrolling and custom WebGL worlds are beautiful, until they become an obstacle course. When every scroll triggers a transition, users burn attention just learning how to navigate your website.
     
   The Fix: Respect prefers-reduced-motion, offer a "skip intro" option, and keep navigation predictable even when the storytelling isn't.
4. One step at a time (but not nineteen)
   Breaking a complex flow into steps is smart. Slicing a simple three-field form into ten separate screens is exhausting.
   
   The Fix: Show clear progress indicators. Explain exactly what comes next. Let people go back without losing their input, and test the number of steps with real users instead of assuming more screens equals less friction. 
5. Embrace the boring (be predictable)  
   Not every interaction requires a delightful surprise. Most of the time, people just want to find the information, finish the task and get on with their day.
    
   The Fix: Stick to familiar UI patterns and consistent navigation (respect WCAG 3.2.3). Keep labels clear. Give immediate, visible feedback for every action and ensure there is only one obvious next step per screen.

Simplicity isn't the absence of features. It's the absence of friction.

We will never design one flawless experience for every person in every situation. But we can stop pretending that the "average" user is good enough. Because when a digital experience asks for too much mental effort, people don't push through, they just leave.

Want to know where your digital journeys are losing people to mental fatigue? Let’s run a Human Stress Test on your platform.

Talk to the UX & Accessibility team at Springbok