A website can be perfectly usable and still be completely forgettable. Equally, it can be visually spectacular and an absolute nightmare to navigate. Somewhere between these two extremes is where great digital design happens.
Every time someone visits your website or application, they're giving you something valuable: their attention. And there's only so much of it to go around.
Psychologists call the mental effort needed to process information cognitive load. According to the Nielsen Norman Group, unnecessary complexity makes it harder for users to find information, make decisions and complete tasks. Naturally, you could assume the best design removes any whatsoever, but not quite.
Make everything too familiar, and your brand risks blending into the online world and becoming easily forgotten. Equally, if everything is distinctive just for the sake of it, people spend more time figuring out your website than using it.
Here’s how to know where to spend your users' attention, and where to save it.
The psychology of playing it too safe
There's a reason so many websites and applications look alike. You can be afraid to spend time and money on new ideas or changing what already does the job.
What we tend to see, without really noticing them, is navigation menus that sit where we expect them, with buttons behaving like physical buttons. Dashboards favour predictable layouts, and forms rarely stray far from established conventions.
People arrive with an existing understanding of how websites work, and good design makes sure they don’t have to think a second about what they’re doing.
This can, however, create a forgettable experience.
The Von Restorff Effect: Why difference matters
The Von Restorff Effect, also known as the Isolation Effect, describes our tendency to remember something distinctive when it's surrounded by similar things.
Imagine a list of ten words, nine in black and one in red. The red word has a better chance of being recalled. This effect has been demonstrated in experimental research into human memory. Basically, if everything competes equally for attention, very little stands out.
This doesn't mean your website lives or dies based on unusual navigation or enormous animated headlines. Play around with subtlety. A distinctive illustration, carefully chosen typography or an unexpected use of colour might be enough to make an otherwise familiar experience feel memorable.
Mailchimp: Standing out without getting in the way
Email marketing software isn't exactly known for its personality. Campaign builders, contact lists and analytics dashboards tend to follow familiar conventions. There's only so much excitement you can squeeze out of an email automation tool.
In its 2018 rebrand, Mailchimp embraced the unusual. Bright yellow, quirky typography, surreal illustrations and a winking chimp mascot. At a time when many software brands were leaning into clean, corporate minimalism, Mailchimp made a deliberate effort to look different.
And importantly, while its visual identity changed dramatically, Mailchimp confirmed that most of the experience inside existing customer accounts would remain largely the same.
Being memorable doesn't necessarily mean breaking the system. Sometimes, it's enough to look different while keeping the right parts familiar.
There's another psychological reason to take aesthetics seriously. The Aesthetic-Usability Effect describes how people tend to perceive visually appealing interfaces as easier to use, sometimes even overlooking minor usability problems. Good looks aren't a substitute for good UX. But they do influence how users respond to it.
The psychology of trying too hard
Of course, there's the opposite problem. In the effort to make websites memorable, designers use parallax scrolling here, elaborate page transitions there, throwing in expanding menus and animated text. Flash without thought.
Imagine trying to find a product's price while the page insists on taking you through an animated brand story. At a point, the design is competing with the reason you visited.
Research from the Nielsen Norman Group has found that scroll-triggered animations can frustrate users when they delay access to content.
It's not that animation is inherently bad. It's that every interaction should justify the attention it demands.
Fitts's Law: Make actions easy
Fitts's Law describes how the time needed to reach a target depends on its size and distance.
In practical terms, larger, conveniently positioned buttons tend to be easier and faster to interact with than small, distant ones. The Nielsen Norman Group's explanation shows why this matters for interface design. It's one reason decorative interactions shouldn't interfere with essential controls.
If a button moves unexpectedly, changes position or becomes difficult to target, visual flair has introduced a problem that didn't need to exist. But motion can also be useful.
A subtle animation confirming that an item has been added to a basket quickly helps users understand what just happened. A transition between screens can explain how different parts of an application relate to one another.
The distinction is whether motion communicates something useful or simply goes 'look at me!'.
Stripe is another good example
Stripe offers a useful illustration of designing around different user intentions.
Its brand and product presentation allow room for expressive visual design. But its payment interface components prioritise recognisable form fields, clear payment options and familiar checkout interactions. Someone entering their card details needs confidence and a straightforward route to completion.
There's an accessibility consideration here, too. The Web Content Accessibility Guidelines recognise that unnecessary motion can cause distraction, nausea and other physical reactions.
A considered approach to animation should respect reduced-motion preferences and ensure important information remains accessible without decorative effects.
Good design isn't about making everything move. It's knowing when movement helps.
The surprising value of friction
People have spent years talking about frictionless UX as the ultimate goal. It still counts if your one goal is to get a person to purchase ASAP. Sometimes, helping someone slow down is better.
Functionally, it means avoiding a rush and accidentally deleting an important document or confirming an expensive purchase. A moment of hesitation can prevent a bigger problem.
The WCAG guidance on error prevention specifically recognises the importance of giving users opportunities to review, correct or reverse consequential actions. This is intentional friction: an extra step that serves the user's interests.
There's also an interesting psychological effect concerning how people perceive effort.
The Labor Illusion: Making invisible work visible
In a 2011 study, Harvard Business School researchers Ryan Buell and Michael Norton investigated what they called the Labor Illusion.
Their experiments suggested that people can perceive a service as more valuable when they can see evidence of the work being carried out, even when that involves a longer wait.
Imagine requesting a complex report from an application. Rather than displaying an unexplained loading symbol, the interface could explain which information is being gathered, analysed and prepared.
That doesn't mean introducing fake delays or pretending work is happening when it isn't. Unless it’s tongue-in-cheek, people don’t want to hear their shoes are being built while an order confirms.
Finding the balance based on industry
There isn't a universal formula for balancing UX and UI. A fashion brand or a financial services platform has very different jobs to do.
You can see it as dividing your interface into three areas.
1. Make everyday actions effortless
Navigation, search, forms, settings and other routine interactions should feel intuitive.
Use established design patterns where they help users get things done. Don't force people to learn a new interaction simply because it looks more original.
2. Make your signature something to remember
This is where your visual identity does more of the work.
Typography, colour, illustrations, layout and thoughtful micro-interactions can all create personality without making essential tasks more difficult.
3. Make a space for creativity when it comes to storytelling
There are moments when you want people to take their time. They might be exploring your brand, learning about a service or discovering what makes your offering different.
These experiences can benefit from more expressive layouts, interactive storytelling and visual movement, provided people remain in control.
Three questions worth asking about your own website
If you're unsure whether your website has the right balance, try looking at it from your users' perspective.
- Where are we making people think unnecessarily? Look for confusing navigation, unfamiliar controls, repetitive actions and visual distractions.
- Where are we failing to make an impression? Could someone replace your logo with a competitor's without changing much else about the experience?
- Where does visual design genuinely add value? Does an animation explain something? Does a distinctive layout clarify your message? Does an extra step help someone make a more confident decision?
These questions are a useful place to begin. Before we get into the weeds of user research and usability testing.
The best digital experiences know when to stand out
The psychology behind UX and UI gives us useful ways to understand how people respond to digital design. It doesn't provide a perfect formula, and every audience brings different expectations. Certain things should be instinctual. Make it distinctive so they think about you later.
At Kooba, we bring UX thinking and creative design together to make websites and digital products that work for both people and businesses. In over 1500 words, we’ve barely touched on what we understand and do. Like understanding what your users are trying to achieve, where they're encountering friction, and where thoughtful design can make a powerful impression.
