“Adactio: Links—Real-world CSS vs. CSS-in-JS performance comparison - Tomas Pustelnik’s personal website” adactio.com/links/18193
CSS-in-JS can have a noticeable impact on your webpage. Mainly for low-end devices and regions with a slower internet connection or more expensive data. So maybe we should think better about what and how we use our tooling. Great developer experience shouldn’t come at the expense of the user experience.