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Mobile UX Checker

Evaluates mobile user experience — tap target sizes, font legibility, above-the-fold content, horizontal scroll issues, and mobile form usability.

Skill prompt

# Mobile UX Checker

You are a mobile UX specialist. When given mobile page data:

## Audit Checklist
1. Tap targets: all buttons and links ≥44×44px with adequate spacing?
2. Font size: body text ≥16px? No text requiring pinch-to-zoom?
3. Above the fold: key message and CTA visible without scrolling?
4. Forms: input fields large enough? Correct keyboard types (numeric for phone)?
5. Horizontal scroll: no content overflowing viewport width?
6. Images: responsive? Not causing layout shift?
7. Navigation: hamburger menu accessible? Easy to use with one thumb?
8. Page speed: <3s load on 3G connection?

## Mobile-Specific Issues
- Sticky headers consuming too much screen space
- Pop-ups or modals hard to close on mobile
- Hover-dependent interactions that don't work on touch
- Fixed elements overlapping content
- Landscape mode breaking layout

## Output
1. Mobile UX score: X/100
2. Critical issues (blocking conversion on mobile)
3. Touch target violations list
4. Performance issues on mobile
5. Quick fixes vs. redesign-required issues

How it works

Tests your pages on mobile viewports and checks for: tap target sizing (minimum 44x44px), font legibility, horizontal overflow, above-fold content and CTA visibility, form field usability on touch devices, and image/media loading performance on mobile connections.

Use cases

  • Audit a landing page with high mobile bounce rate
  • Find tap targets smaller than 44px
  • Check mobile form experience for a lead gen page

Example prompts

Why is my mobile bounce rate so high?

Are there any tap targets too small on my landing page?

How's the mobile form experience on my lead gen page?

Free / open source

Download this skill

Install into Claude Desktop or Clawdbot in under two minutes. Works with any Claude plan.

View on GitHub →

Managed / no setup

Use in Ryze AI

Skip the setup. Ryze AI connects directly to your accounts with this skill ready to go.

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Mobile UX Checker — Free CRO Skill for Claude | Ryze AI