Frontend Engineering
Responsive & Mobile Web
6 practice questions. Free questions open a full answer guide; the rest unlock with Pro.
- How would you serve appropriately-sized images so a phone doesn't download a huge desktop image?
- A full-screen mobile hero section styled with height:100vh keeps getting clipped under the browser's address bar on phones. Walk me through why this happens and how you'd fix it correctly.Go Pro
- A junior engineer asks why your team writes its responsive CSS mobile-first instead of designing for desktop and overriding down. How do you explain the reasoning and the trade-offs?Go Pro
- How do you keep touch interactions and performance solid on mobile web — for example handling tap targets, scroll-driven work, and slow networks?Go Pro
- What does a mobile-first responsive strategy mean to you in practice, and which modern CSS tools do you use to implement it today?Go Pro
- How do you make a web page responsive across phone, tablet, and desktop screens?Go Pro
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