Turbopack is the more common of the two in our index: it runs on 1,609 websites against 1,400 for styled-components, and 98 sites use both. Counts come from real scans, not vendor claims.
Styled components is a CSS-in-JS styling framework that uses tagged template literals in JavaScript.
Turbopack is an incremental bundler for JavaScript and TypeScript, written in Rust and integrated into the Next.js framework for optimized build performance.
98 sites run both styled-components and Turbopack. That is 7% of the sites using styled-components, the smaller of the two.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.