405 guides · updated daily

The Empire UI blog

Practical guides on UI styles and effects - every article ships free, working React & Tailwind code.

All UI Styles Components React Tailwind Animation Tools Comparisons Design Systems Advanced

#react #css #tailwind #animation #glassmorphism #next.js #design #performance #accessibility #dark mode #css variables #framer motion #neumorphism #responsive #dashboard #saas #ecommerce #landing page #button #card #form #navigation #typography #gradient #patterns

2 articles · #useCallback · showing 1-2

Developer examining React component code on a laptop screen

2026-07-15 · 9 min read

React.memo, useMemo and useCallback: The Honest Guide to When You Need Them

Stop spraying React.memo everywhere. Here's when useMemo, useCallback, and memo actually help - and when they silently make things slower.

react memouseMemo

Developer writing React code on a laptop with a dark editor theme

2026-07-01 · 8 min read

useMemo vs useCallback: When to Use Each (and When to Skip Both)

useMemo and useCallback aren't free - they have overhead. Learn exactly when each hook earns its keep, and when you're just adding complexity for nothing.

react hooksuseMemo

Free components in 41 visual styles

React & Tailwind, copy-paste ready. Glassmorphism, neobrutalism, Y2K and more.

Browse components →