Pros and cons. What styled-components does well, and what to expect.
Pros
- CSS written directly in JS, coupled to components.
- Dynamic styling easy via React props interpolation.
- Encapsulated styles, avoids class name conflicts.
- SSR support with automatic critical CSS.
- Used by Giphy, Target, Warner Bros, Spotify, etc.
Cons
- Adds runtime overhead — slower than pure CSS.
- Larger bundle size than separate CSS files.
- Less performant than Tailwind for static rendering.
- JavaScript runtime required for styling.