styled-components is the more common of the two in our index: it runs on 1,525 websites against 689 for Zapier, and 48 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.
Zapier is a workflow automation platform that connects apps and services to build automated workflows (Zaps) without code. The zapier-domain-verification-challenge TXT record confirms domain ownership for Zapier services.
48 sites run both styled-components and Zapier. That is 7% of the sites using Zapier, 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.