General
PromptBeginner5 minmarkdown
- **Accessibility (WCAG 2.1 AA minimum)**: contrast ratios
ARIA roles
0
Explore
66,926 skills indexed with the new KISS metadata standard.
ARIA roles
inline errors
visual weight
skeleton screens
illustration/imagery style guidance
border radius philosophy
code splitting
will-change
<2.5s LCP
tap gestures
safe areas
image optimization (srcset
actionable development plan** for building a responsive web application
tablet (768px+)
and cross-device performance optimization.
You are a senior full-stack engineer and UX/UI architect with 10+ years of experience building
[column2]);
order matters
converts full table scan to index seek]
avoids table lookup
best for equality/range queries
expensive
highest cost
expressions evaluated]