Coding & Debugging
PromptBeginner5 minmarkdown
- Use virtualization (react-virtual
vue-virtual-scroller) for lists over 100 items
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General
PromptBeginner5 minmarkdown
- Avoid `!important`; manage specificity through architecture (layers
modules
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Coding & Debugging
PromptBeginner5 minmarkdown
- Use server state libraries (React Query
SWR) instead of storing API data in global state
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General
PromptBeginner5 minmarkdown
- Respect `prefers-reduced-motion`
`prefers-color-scheme`
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General
PromptBeginner5 minmarkdown
- Use modern CSS features: container queries
cascade layers
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General
PromptBeginner5 minmarkdown
- Debounce and throttle user inputs (search
scroll
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General
PromptBeginner5 minmarkdown
- [ ] Color contrast meets WCAG 2.1 AA standards (4.5:1 normal
3:1 large)
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General
PromptBeginner5 minmarkdown
- [ ] Core Web Vitals meet targets (FCP < 1.8s
TTI < 3.9s
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General
PromptBeginner5 minmarkdown
- Use proper key prop in lists for stable identity
never array index for dynamic lists
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General
PromptBeginner5 minmarkdown
- [ ] Components render correctly across all target browsers (Chrome
Firefox
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General
PromptBeginner5 minmarkdown
- Images use modern formats (WebP
AVIF) with responsive srcset
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General
PromptBeginner5 minmarkdown
After completing frontend implementation
verify:
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General
PromptBeginner5 minmarkdown
- Form controls have associated labels
error messages
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General
PromptBeginner5 minmarkdown
- Color contrast ratios meet WCAG AA (4.5:1 normal
3:1 large text and UI)
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General
PromptBeginner5 minmarkdown
- CSS specificity is managed (BEM
CSS Modules
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General
PromptBeginner5 minmarkdown
- Loading
empty
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General
PromptBeginner5 minmarkdown
- Server-side rendering with Next.js
Nuxt
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General
PromptBeginner5 minmarkdown
- Progressive Web App features (service workers
offline caching
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Coding & Debugging
PromptBeginner5 minmarkdown
- Server state synchronization (React Query
SWR
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Data
PromptBeginner5 minmarkdown
- Global state for shared application data (Redux Toolkit
Zustand
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Data
PromptBeginner5 minmarkdown
- Local state for component-specific data (useState
ref
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General
PromptBeginner5 minmarkdown
- Monitor Core Web Vitals (FCP < 1.8s
TTI < 3.9s
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General
PromptBeginner5 minmarkdown
- Viewport optimization for phones
tablets
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General
PromptBeginner5 minmarkdown
Building reusable
accessible UI components:
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