UX/UI Designerin setzt Kommentare zu Wireframes eines Interface Designs
What is UX/UI design? The key to an optimal user experience

If you want your digital products to appeal to users, they need a strong design. This includes an appealing look, but what matters most is flawless functionality. A product must be intuitive and pleasant to use, without the user feeling the complexity behind it. To fulfil this, the design must be user-centric.

How do we achieve all this? With UX/UI design – the holistic design of the user experience. Read on to find out why a positive user experience is essential for your product, what needs to be considered in interface design and how accessibility is integrated into all of this.

October 18, 2024

UI and UX – isn’t that all the same thing?

No! UI (user interface) is a part of UX (user experience), or rather both areas can be seen as separate disciplines in the design of interactive interfaces. They are closely linked, but still have a different focus.

UX design deals with the basic structure and the needs of the user. UI design focuses on the visual elements of the interface and builds on the structural design.

UX vs UI Design

UX design

UX design defines and optimises the interaction between the user and the product or service. This is essential in order to create competitive, user-friendly and accessible products that meet the expectations of a diverse user base.

To achieve this, the needs of users are identified and taken into account in the design. Frustration, site abandonment and the resulting loss of sales can thus be avoided.

An ideal user experience motivates repeated use. This strengthens customer loyalty and increases conversions.

UI design

In UI design, our designers focus on the visual layout and interactive elements of a product. This refers to the design of buttons, menus, icons, colours, typography and other visual elements.

The aim is to create an aesthetically pleasing and intuitive user interface with an easy-to-use visual design.

Our clients often refer to UI design as the entire design, but it is the final part that builds on the UX design – meaning that UI does not work without UX and is part of the whole process.

UX design and the 4 main questions of product use

In UX design, we consider the who, why, what and how of product use:

  • The who refers to the user with their needs, wishes, expectations and pain points.
  • The why is about the reasons why a user uses a product – be it a task that they want to fulfil with the product or values and views that the user associates with owning and using the product.
  • The what deals with the things that people can do with a product, i.e. its functionality.
  • The how refers to the design of the functionality in an accessible and aesthetically pleasing way.
the 4 main questions of product use

What is needed for an optimal UX?

  • A clear information architecture so that users can easily navigate and find information
  • Interaction design (how users interact with the product)
  • Functionality (the product fulfils its purpose effectively)
  • Usability (the product must be intuitive to use)
  • Typography for good readability and visual text hierarchy
  • Content strategy and UX writing for relevant, user-centred information
  • UI design for designing the points of interaction with the product
  • Visual design for aesthetic design in line with the brand identity
Bereiche von User Experience Design

The sweet spot of UX

A good user experience creates a balance between the three main aspects of a product:

  1. User needs: The product or service fully fulfils the user’s expectations, desires and requirements.
  2. Business goals: The design supports the company’s strategic and financial goals, including increased sales, brand loyalty and market growth.
  3. Technical feasibility: The solution is technically feasible and can be implemented efficiently with the available resources and technology.

The overlap of these areas forms the ‘sweet spot’. In this sweet spot, all three aspects of a user-friendly product are harmoniously integrated to maximise the company’s success.

Der Sweet Spot des User Experience Designs
What does it take for an optimal user interface?

UI design is based on aesthetic design, user-friendliness and technical efficiency. The following principles and requirements are taken into account:

  • Intuitive operation without a long training period
  • Visual hierarchy: Important information and functions are highlighted for quick access
  • Standardised designs and structures throughout the application
  • Customisation to the requirements and wishes of the target group
  • Personalisation so that users can adapt functions to their needs
  • Visible feedback for every action performed by the user (e.g. loading animations or status messages)
  • Error prevention and correction
  • Fast loading times, short navigation paths, adaptation to different devices and touch optimisation
  • Attractive and minimalist design with matching colour palette
  • Trustworthy user interface and clarity in data usage
  • Inclusive design and screen reader support (see below for more information)
Accessibility according to WCAG

An essential part of every UX/UI process is the integration of the Web Content Accessibility Guidelines (WCAG). These form the basis of the new EAA (European Accessibility Act) for accessible products.

Accessible applications must be easy to navigate and use, understandable and robust; however, these characteristics automatically make up a good user experience (UX) for everyone.

Improving accessibility therefore always improves the UX for all users. We achieve this, for example, through:

  • Clear and intuitive navigation structures
  • Tolerance and support for user errors
  • Simple language & cognitive support
  • Multimodal interaction
  • Usability tests & continuous user feedback to improve the UX
the relevance of accessibility for everyone

Accessible user interface design

In addition to the structural aspects just mentioned, there are factors in the visual design that are essential for accessible digital design:

  • Visual accessibility (contrast, colours, font size, typography)
  • Interactive and easily recognisable navigation elements and keyboard accessibility
  • Compatibility with screen readers and assistive technologies
  • Reliable visual and auditory feedback
GIF eines Interfaces mit Text

Are you planning a UX/UI design project?

We take care of your entire UX/UI project, from initial research to technical implementation. We also offer partial services, such as analysing your existing design for optimisation potential.

You can find out more about our services on our UX design service and UI design service pages. To get an idea of a typical UX/UI project workflow, you can take a look at our UX/UI process here.

However, the best thing to do is simply contact us for a non-binding (free of charge, of course) initial consultation. We are happy to answer your questions and discuss various options with you that are best suited to your individual project. We look forward to hearing your project idea!

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