Understanding The Importance Of A Mobile-first Approach

  • By
    Yonette de Ru
    January 27, 2019
    March 2, 2022

Think about the last few websites you visited. There’s a high probability that a good number ofthese visits were made using a mobile device. If this rings true, you’re definitely not alone (anddon’t worry - we’re not here to judge you on your possible mobile phone addiction).

Studies have found that more and more consumers are steadily shifting to viewing a large portion of content online. As mobile usage increases on a global scale, it makes sense that tendencies to consume information through mobile formats would also increase. This leaves designers with the challenging task of making websites look good on both mobile and desktop. Naturally, as a UX designer a whole slew of questions come up: How should websites be structured? Are long scrolls the new norm? Are F shape and Z shape design patterns for reading content no longer relevant? Is above fold content no longer important? Should the website be responsive or mobile-friendly? Keeping these points in mind, there are a number of things you should consider when designing a website.

Mobile First Shift

Naturally, UX design trends shift with user’s preferences. Now that a larger portion of content is being consumed online, it makes sense that design trends have shifted towards a mobile-first approach. What mobile first means is: designing for mobile viewing before desktop viewing. The mobile experience here is the priority and design decisions are made in a way that benefits the mobile view of a website. A mobile first approach is so prominent that as of March 2018, Google has rolled out mobile-first indexing. This means sites that are mobile-friendly perform better in mobile search results. This is an important thing to consider during the design process because at the end of the day, people need to be exposed to a website to appreciate its design! Users are also highly unlikely to recommend a business with a poorly designed mobile site.

What this means for designers

This means that typical design principles may no longer apply in this day and age. Even though typically designers struggled to choose between F and Z shaped page designs, these grids may no longer apply when it comes to a mobile-first approach.

As you can see, the image above illustrates an F shape page design. Although this design may definitely be more successful than a Z shaped design on a mobile medium, it still may not have the same effect as it would on a desktop.

The same goes for the Z shape design illustrated above. Although studies have shown the benefits of structuring designs this way, these findings go out the door when it comes to mobile usage.

Similarly, the above-fold content design approach is a little less applicable when it comes to mobile designs.

It’s tricky having to rethink how websites should be structured in order to look good on all mediums but most importantly, it needs to be highly usable!

How should websites be structured?

The main deciding factor for this is: what is the purpose of the website? What is a customer’s objective when visiting the site? These questions should give you a clear indication of how a site should be designed. The most important things to consider here are: 1) who are the stakeholders and what are their intentions for the site? 2) who is the target audience and what is their main purpose when reading the site? Sure, long scrolls are typically better on mobile devices but that depends on the type of website and its function.

Solution: Responsive Web Design and Benefits

Responsive web design allows websites to look and function well on a number of different devices and screen sizes. In other words, responsive websites adjust according to your device!

This is achieved through a mixture of design and code. This is an extremely beneficial way to tackle the shift to mobile heavy web consumption.

As seen in the illustration above, benefits of responsive web design include:


As more and more people shift to being heavily reliant on their phones for web use, it’s increasingly important to understand the importance of a mobile-first approach.

On a similar note, it is also important to understand the instances in which it might be beneficial to

stray from a mobile-first approach. The main objective of UX design is to figure out how to best enable users to navigate and get the most out of a website. Sometimes, this takes thorough user research and other times it is intuitive.

As always, the main component of UX based design is understanding and designing for your users. There isn’t necessarily a one-size fits all solution to this shift but it is important to consider heavily how a website is typically viewed. Fueling design decisions with user usage analytics is always a good place to start. If analytics and user research don’t help you choose a course of action, responsive web design is a beneficial option that will ensure both desktop and mobile website experiences are consistent.


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