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mobile-testing

Use when reviewing CI coverage, automated checks, or test strategy related to Test on real mobile devices and viewports. Focus on whether the rule is continuously verified, not just documented.

skills/mobile-testing/SKILL.md

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# Test on real mobile devices and viewports

More than 55% of global web traffic comes from mobile devices. Mobile browsers have different rendering engines, different font rendering, limited memory, real touch events that differ from mouse events, and system UI (notch, home indicator, keyboard) that intrudes on your layout. Issues like sticky hover states, touch target sizes, and keyboard layout shifts only appear on real devices.

## Quick Reference

- Desktop DevTools device emulation catches layout issues but not real touch behavior
- Test on at least one Android (Chrome) and one iOS (Safari) real device
- Test common viewport breakpoints: 375px (iPhone SE), 390px (iPhone 14), 768px (iPad)
- Use BrowserStack or similar services for testing on devices you don't own

## Check

Does this project have any mobile-specific test configurations? Check for Playwright device emulation, mobile viewport tests, or notes about mobile testing.