Web Performance

Different performance metrics measure different parts of the user experience, and optimising the wrong metric can improve a number while…

Without a defined limit, performance degrades gradually and nobody notices until it is bad, and a performance budget makes the…

A bundle analyzer answers the question that a bundle size number alone cannot — not just that the bundle grew,…

Most memoization in React codebases costs more than it saves. Understanding when re-renders are actually expensive is what separates real…