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How should a developer design a mobile version of a website or application?

A mobile design is not a smaller version of a desktop design. Each screen size needs its own specific design plan. Design for mobile devices as a unique experience.

By Pawan Nayar · from the LLOS AI Learning record

The rule

A mobile design is not a smaller version of a desktop design.

Each screen size needs its own specific design plan. Design for mobile devices as a unique experience.

A developer must create a specific design for mobile screens. This plan decides what elements will hide or change. It defines how menus will work, like a 'hamburger' menu. It also ensures touch areas are large enough for fingers. Testing on a real mobile device is important. Using developer tools on a computer is not enough. A developer should only use a combined (hybrid) design if it truly improves the mobile experience. It should not be a shortcut to avoid a full mobile design.

A designer creates a website layout for a computer screen. The designer then makes a separate, detailed plan for how the website will look and work on a mobile phone. This plan includes how navigation changes and where buttons are placed. If the designer only shrinks the desktop view, users will have trouble reading and clicking.

Words you'll need

Resolved from this lesson's own record — real definitions, not invented for this page.

Human-Computer Interaction

How people and computers communicate and work together

Information Architecture

How information is organized and labeled so people find it

Questions people ask

More from the same record, pulled by shared topic — not written new for this page.

What are the main differences between a desktop and mobile layout for an AI application?

The content area changes size. On desktop, it fills available space and scrolls.

How can a developer build a mobile view for a web application without breaking the desktop view?

A developer must treat mobile and desktop as two separate apps. They should use media queries to define distinct CSS layouts for each.

How should a new design's layout be created?

A new design must use the exact layout proportions of a proven design. The proven design has been refined over many hours.

Why should a developer avoid using `overflow:hidden` and `max-height` on a section wrapper?

Using `overflow:hidden` and `max-height` on a section wrapper can hide content. For example, buttons at the bottom of a section might disappear.

What to remember

A mobile design is not a smaller version of a desktop design. Each screen size needs its own specific design plan. Design for mobile devices as a unique experience.