What is UI and UX Design? 

Discover the difference between UI and UX design and why both matter in TH3’s approach to digital design.

TomCreative Director Updated 22 September 2026
Modern mobile UI design showcasing UX and UI elements on a smartphone screen with colored icons and sliders for a sleek user experience.

UI and UX design are two of the most important tools you’ve got if you want your website to actually perform.

94% of first impressions are based on design. That means people are judging your business the second your site loads. And if they don’t like what they see or how it works? 88% won’t come back.

So, if your website looks fine but isn’t delivering leads, sales or enquiries – it might not be your content or your pricing. It could be your UI/UX.

UI Design Explained: The Look and Feel

UI stands for User Interface. It’s all the visual stuff – buttons, fonts, colours, spacing, icons, animations – the things people see and click on.

Think of UI as the shopfront of your business. It needs to look good, feel familiar and show people they’re in the right place. Get it right, and visitors stick around. Get it wrong, and they’ll bounce in seconds.

And this isn’t just about looking pretty:

  • 75% of users judge a site’s credibility on design alone
  • A strong UI can boost conversions by up to 200%

But here’s the kicker – only 55% of businesses are actively testing their UI. Which means there’s a huge opportunity to stand out by simply getting the basics right.

Creative mobile app and website design process for digital marketing agency in Hull, focusing on user experience and visual appeal.

UX Design Explained: How It Works Under the Hood

UX stands for User Experience. It’s everything that happens after that first impression – how users move through your site, how easy it is to get stuff done, and how smooth (or painful) the whole experience feels.

If UI is the shop window, UX is what happens once you walk through the door. Can you find what you need? Is the journey simple? Does it work on mobile? Is checkout a breeze or a rage-quit?

Good UX makes things easier. Bad UX kills conversions.

  • A seamless UX can increase conversions by up to 400%
  • A 1-second delay can cut them by 7%

At TH3, we don’t guess. We use real user behaviour to shape the journey – testing what works, fixing what doesn’t, and making sure your users aren’t getting stuck or slipping away.

UI vs. UX: What’s the Difference?

UI and UX get lumped together a lot – and while they work closely, they’re not the same thing.

Here’s the quick version:

FeatureUIUX
FocusVisual designUser journey
GoalLook great, feel on-brandBe easy, fast and frustration-free
ToolsColours, fonts, mockupsWireframes, flowcharts, testing
OutcomeMakes a strong first impressionKeeps people moving and converting

In short: UI is how it looks. UX is how it works. And you need both.

Because a beautiful site with a broken journey is still broken. And a seamless journey on an ugly site won’t build trust or keep people interested.

To win online, you need the full package.

How UI/UX Design Impacts SEO and Conversion Rates

UI and UX also play a big role in how your site ranks on Google – and how many of your visitors actually convert.

Google doesn’t just crawl your content – it watches how users interact with your site. If it’s slow, clunky or confusing, people bounce. And if users leave quickly, Google takes that as a red flag.

  • 88.5% of users say they’ll abandon a slow-loading site
  • High bounce rates = lower rankings

That means even the best content won’t perform if the UX is off.

At TH3, we design for both humans and algorithms. Fast-loading pages, intuitive journeys, mobile-first thinking – all wrapped up in clean, accessible design that works for your users and your SEO.

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How We Do UI/UX at TH3

We don’t do guesswork. Every decision we make is based on data, real behaviour and a sharp focus on outcomes.

Here’s how we approach UI/UX design:

Audit Your Current Site

We dig into what’s really happening – where users drop off, what’s frustrating them, what’s converting. No fluff. Just facts.

Prioritise What Matters

Not every design tweak has the same impact. We focus on fixes that’ll actually shift the needle – whether that’s simplifying navigation or redesigning your hero section.

Design and Test

We sketch, wireframe and prototype based on what we know works. Then we test it – with real users in real scenarios.

Implement and Improve

We roll out what works – but we don’t stop there. We keep an eye on performance, tweak what needs tweaking, and keep improving over time.

Because good design is never finished.

Don’t Just Look Good. Perform Better.

If your site isn’t converting, your design might be the problem.

With the right UI/UX services, you can:

  • Build instant trust
  • Keep people on your site longer
  • Improve your Google rankings
  • Turn more visitors into customers

At TH3, we design websites that aren’t just good-looking – they’re high-performing. We take what’s working, fix what’s not, and build something better.

Ready to get more from your website? Let’s talk.


 Sources

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