Tag: JavaScript

Skip re-rendering pure components when props are shallow-equal.

Render only visible rows for huge lists (react-window / tanstack virtual).

Improve SEO for SPAs with proper titles, meta, and SSR/SSG when needed.

Render React on the server for faster first paint and better SEO.

Use Next.js for React apps with routing, SSR/SSG, and full-stack features.

Render children into a different DOM node (modals, tooltips).

Catch render errors in a subtree and show fallback UI.

Coordinate loading states with Suspense boundaries.

Load components on demand with React.lazy.

Split bundles by route/feature to improve initial load.