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Mobile UX Checklist

Checklist○Craft conventionFoundational

Mobile UX Checklist

Touch targets, reach, input, performance and the assumptions that only fail on a phone.

Definition

A review pass for mobile web and mobile applications, covering the constraints that desktop review does not surface.

Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.

Work through it

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Touch and reach

0/5

Targets are at least 44 by 44 points, with spacing between them
Primary actions are within thumb reach
Destructive actions are away from frequent ones
No functionality depends on hover
Every gesture has a visible alternative

Input and layout

0/5

Correct keyboard type appears for every field
The on-screen keyboard never covers the focused field or the submit control
Font size is at least 16px on inputs
Layout uses dynamic viewport units, and survives the address bar collapsing
Safe areas are respected on notched and gesture-bar devices

Context and performance

0/5

Tested on a mid-range device on a throttled connection
Works in bright light
Offline and poor connectivity are handled explicitly
Feature parity with desktop is preserved
Data tables scroll horizontally rather than dropping columns

Continue from here

Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.

Applies when you are designing

A Mobile App An Ecommerce Experience Navigation

Often used with

These usually appear in the same screen or the same decision.

VoiceOverTool

Practical example

A worked decision where this was the deciding factor.

Putting a Data Table on a PhoneCase study

What this checks

The guidance behind the items in this list.

Target SizeAccessibility
BreadcrumbComponent
Fitts's LawLaw
Infinite Scroll and PaginationPattern
Mobile Interaction PatternsPattern
DiscoverabilityPrinciple
Adaptive LayoutUI foundation
ClosureUI foundation
Performance as User ExperienceUI foundation
Responsive LayoutUI foundation

Short definition

The one-paragraph version, for when that is all you need.

ViewportTerm

This checklist

Items: 15
Groups: 3

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Helps with

Data-heavy interfaces
The interface feels slow

Filed under

Type: Checklist
Category: Mobile
Updated: 2026-08-14

#mobile #touch #performance #accessibility #checklist

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