The majority of global web traffic is now mobile. This well-established fact continues nonetheless to be under-addressed in many digital projects — with direct consequences on results.
Mobile first: a design approach
Designing for mobile first is not a technical constraint — it is a design discipline. Starting from the constraints of the mobile screen (limited space, touch navigation, variable connection) forces clarity of priorities.
What is essential must appear first. What is secondary can be accessible but must not clutter. This hierarchy, built for mobile, also improves the experience on larger screens.
Common mistakes on mobile
The most common mobile problems are not technical but conceptual: text too small because it was designed on a wide screen, buttons too close together for precise touch use, heavy images that slow loading, forms difficult to complete on a phone.
These mistakes share the trait of being invisible when designing on a computer. They only reveal themselves during tests on real devices — hence the importance of systematically testing on mobile before any launch.
The evolution of usage
Mobile usage continues to evolve. Progressive Web Apps, integration of native device features and voice interfaces open new possibilities.
For an existing site or application, the relevant question is not just “does it work on mobile” but “is the mobile experience up to what users expect today”.