General
PromptBeginner5 minmarkdown
- **Accessibility (WCAG 2.1 AA minimum)**: contrast ratios
ARIA roles
0
Explore
60,508 skills indexed with the new KISS metadata standard.
ARIA roles
visual weight
skeleton screens
illustration/imagery style guidance
border radius philosophy
code splitting
will-change
<2.5s LCP
image optimization (srcset
safe areas
tap gestures
and cross-device performance optimization.
tablet (768px+)
actionable development plan** for building a responsive web application
You are a senior full-stack engineer and UX/UI architect with 10+ years of experience building
[column2]);
converts full table scan to index seek]
order matters
avoids table lookup
best for equality/range queries
expensive
highest cost
expressions evaluated]
filesort risk?]