April 27, 2023

Key elements of excellent UI

Jakub

Jakub Bartosiak

Head of Marketing
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ux/ui design(3)

An excellent UI (User Interface) is one that is intuitive, easy to use and meets the needs of the user. UI (user interface) and UX (user experience) are both essential components of creating a successful product or application. While UI refers to the visual design and layout of a product, UX encompasses the entire user experience, including how easy and enjoyable it is to use the product.

Without a good UX, even the best-looking UI will not provide a satisfactory user experience. A UI that looks great but is difficult to navigate or use can be frustrating for users and can even deter them from using the product altogether. But UI is also important. Taking care of the UI has a significant impact on how users perceive and interact with a product or application. The UI is essentially the bridge between the user and the product, and a well-designed UI can make a product easier and more enjoyable to use.

But still, we have some key elements that make a UI excellent:

Following Nielsen's 10 Heuristics: Nielsen's 10 Heuristics is a set of principles for designing user interfaces, developed by usability expert Jakob Nielsen. The heuristics cover important aspects of usability such as visibility of system status, user control and freedom, consistency and standards, and error prevention and recovery, which are key elements of great UI. 

  1. User-Centered Design: An excellent UI is designed with the user in mind. It takes into account the user's goals, needs, and preferences, and provides a seamless and intuitive experience.

  2. Consistency: An excellent UI maintains consistency throughout the design. This includes consistent typography, color scheme, layout, white space and navigation. This makes it easier for users to navigate and understand the UI.

  3. Clarity and Simplicity: An excellent UI is clear and simple, making it easy for users to understand and use. It avoids clutter and distractions that can lead to confusion or frustration.

  4. Responsiveness: An excellent UI includes responsive design, adapting to different screen sizes and devices. This ensures a consistent user experience across different platforms.

  5. Accessibility: An excellent UI follows WCAG standards and it is accessible to all users, including those with disabilities. This includes providing alternative text for images, using high-contrast colors, and using keyboard-friendly navigation.

  6. Feedback and Confirmation: An excellent UI provides feedback to users when they perform an action, such as clicking a button, submitting a form or waiting. It also provides confirmation to users when an action is completed successfully. 

  7. User Testing and Iteration: An excellent UI is tested with real users and iterated based on their feedback. This helps identify pain points and areas for improvement, leading to a better user experience. 

  8. Performance: performance directly affects how users perceive and interact with a product or application. If a product performs poorly, it can have a negative impact on user experience, which can lead to frustration, abandonment, and ultimately, lower user engagement.

In summary, an excellent UI is designed according to 10 principles of Nielsen's heuristics and with the user in mind, maintains consistency, is clear and simple, is responsive and accessible, provides feedback and confirmation, handles errors gracefully, and is tested and iterated based on user feedback.

Tips on how to increase conversions

There are several best UI (User Interface) practices that can help increase conversions on a website or app. Here are a few of them:

  1. Simplify the Navigation: Make it easy for users to find what they are looking for by simplifying the navigation. Use clear and concise labels for menu items, and group related content together.

  2. Use a Clean and Simple Design: A clean and simple design helps users focus on the content and the action you want them to take. Avoid clutter and distractions that can lead to confusion or frustration.

  3. Use Contrasting Colors: Use colors that contrast with each other to draw attention to important elements, such as calls to action (CTAs). This makes it easier for users to identify what they need to do next.

  4. Make CTAs Stand Out: Use larger buttons, contrasting colors, and clear language to make CTAs stand out. This helps users quickly identify what action they need to take and encourages them to click.

  5. Use Visual Hierarchy: Use visual hierarchy to guide users through the page or screen. Use size, color, and placement to make important elements stand out and less important elements fade into the background.

  6. Use Consistent Design: Use consistent design throughout the website or app to make it easier for users to navigate and understand. Consistent design elements include typography, color scheme, layout, and navigation.

  7. Use High-Quality Images: Use high-quality images that support the content and enhance the user experience. Avoid low-quality or irrelevant images that can distract or confuse users.

  8. Optimize for Mobile: Ensure the website or app is optimized for mobile devices, as more and more users access the internet on their mobile devices. Make sure the design is responsive and elements are easy to tap.

  9. Test and Iterate: Test the UI design with real users and iterate based on their feedback. This helps identify pain points and areas for improvement, leading to a better user experience and increased conversions.

By following these best UI practices, you can create a website or app that is intuitive, easy to use, and encourages users to take the desired action.

How to test the usability of the interface

Testing the UI (User Interface) is an important part of the design process to ensure a seamless and intuitive user experience. Here are some ways to test the usability of the interface:

  • Usability Testing: This involves observing users as they interact with the UI to identify pain points and areas for improvement. This can be done through in-person or remote testing, surveys, or interviews.

  • A/B Testing: This involves testing two or more versions of the UI to see which one performs better in terms of user engagement, conversion rates, or other metrics.

  • Accessibility Testing: This involves testing the UI to ensure it is accessible to all users, including those with disabilities. This can be done using automated tools or by manually testing with assistive technologies.

  • Performance Testing: This involves testing the UI to ensure it performs well in terms of speed and responsiveness. This can be done using automated tools or by manually testing with different devices and network conditions.

  • Compatibility Testing: This involves testing the UI on different devices and platforms to ensure it works well across all environments. This can be done using automated tools or by manually testing on different browsers and operating systems.

  • Visual Testing: This involves testing the UI for visual consistency and alignment with the design specifications. This can be done using automated tools or by manually checking against the design guidelines.

  • Heuristic Evaluation: This involves evaluating the UI against a set of usability principles, such as consistency, clarity, and simplicity. This can be done by experts in the field or by using automated tools.

In summary, testing the UI involves various methods, including usability testing, A/B testing, accessibility testing, performance testing, compatibility testing, visual testing, and heuristic evaluation. It is important to use a combination of these methods to ensure a comprehensive and effective testing process.

Best UI design tools

There are many tools available for testing UI (User Interface), and the choice of tools depends on the specific needs and goals of the project. Here are some tools that can be used to test UI elements:

  1. UsabilityHub: This tool allows for remote usability testing and provides feedback on various aspects of the UI, including first impressions, task completion, and design feedback.

  2. UserTesting: This tool provides access to a pool of testers who can perform remote usability testing and provide feedback on the UI.

  3. Hotjar: This tool provides heatmaps and clicks tracking to help analyze user behavior on the UI and identify pain points and areas for improvement.

  4. BrowserStack: This tool allows for cross-browser testing, enabling developers to test the UI on different browsers and platforms.

  5. Axe: This tool provides accessibility testing for Ux and UI designer and identifies potential issues with accessibility on the UI.

  6. PageSpeed Insights: This tool provides performance testing and analyzes the speed and performance of the UI on different devices and networks.

  7. Figma, Sketch, Vision: This tool provides design collaboration and prototyping features, allowing UI designers to test and iterate the UI design.

In summary, the choice of tools for testing UI depends on the specific needs and goals of the project. It's important to use a combination of tools to ensure a comprehensive testing process.

UI (User Interface) can indirectly impact SEO (Search Engine Optimization) by influencing user behavior and engagement on a website. Here are some ways UI can impact SEO:

  • User Experience: A website with a good user interface design and positive user experience is likely to attract more visitors and keep them engaged for longer periods of time. This can result in a lower bounce rate, higher click-through rate, and longer session durations, which are all positive signals for search engines.

  • Mobile Responsiveness: A website with a responsive UI that adapts well to different screen sizes and devices is likely to rank higher in mobile search results, as Google prioritizes mobile-friendly websites.

  • Site Speed: A website with a fast and responsive UI is likely to rank higher in search results, as Google considers site speed as a ranking factor.

  • Content Visibility: A UI that prioritizes content visibility and makes it easy for users to find and navigate to relevant content is likely to result in more engagement and higher click-through rates, which can positively impact SEO.

  • Accessibility: A UI that is designed with accessibility in mind, such as using high-contrast colors and providing alternative text for images, can improve the user experience for all visitors, including those with disabilities. This can result in a larger audience and more engagement, which can positively impact SEO.

  • Right structure. A right structure of a website is a must to become top 10 in Google or other search engines. It is a first step to good visibility to make sure that there is just one H1 style for a page.   

In summary, while UI itself may not directly impact SEO, it can indirectly influence user behavior and engagement, which can positively impact search engine rankings. Therefore, it's important to consider a good user interface as part of a comprehensive SEO strategy.

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Meet the author

Jakub

Jakub Bartosiak

Head of Marketing

Taking care about all kind of marketing activities of LIKI

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