Test and improve application performance
Next.js Notes notes about Test and improve application performance
Test and improve application performance
Set Up Vitest in a Next.js Pages Router App—and Know Its Testing Boundary
Add a Vitest component test for a Pages Router page, then distinguish its heading assertion from a route-level check.
Test and improve application performance
Next.js vs React Performance: How to Run a Fair App Comparison
Compare matched apps and explicit rendering modes, then report response, paint, and interaction measurements under repeatable conditions.
