What are the differences between MERN, MEVN, and PERN stacks—and when is MERN preferred?

Compares MERN (React), MEVN (Vue), and PERN (PostgreSQL) stacks; explains when MERN is the strategic choice.

• MERN includes React as frontend library, while MEVN uses Vue and PERN uses PostgreSQL backend. • MERN is preferred when React’s UI ecosystem, component architecture, and React Native integration provide greater flexibility and job-market advantage. Tags: mern-stack, mevn-stack, pern-stack, javascript, react, vue