Web performance is the practice of designing and building websites and applications so that they load quickly, respond instantly to user interactions, and provide a stable visual experience.

Web accessibility is the practice of designing and building websites and applications so that people with different abilities, devices, and interaction methods can perceive, understand, navigate, a...

Code splitting and lazy loading are techniques that allow an application to load only the necessary JavaScript code when it's needed, improving performance by reducing initial load times and memory...

Frontend caching is a technique that allows an application to store and reuse previously obtained resources, reducing the need for repeated network requests and improving performance.

Optimistic UI is an approach where the user interface updates immediately when a user performs an action, even if the underlying data hasn't been updated yet. This creates the illusion of instant f...

Server state and client state are fundamentally different, and treating them the same can lead to complicated frontend applications.

Memoization is an optimization technique that allows an application to remember the result of a computation and reuse it when the same inputs are encountered again. Instead of calculating the same ...

Learn how React re-renders, reconciliation, and DOM commits work so you can optimize real performance bottlenecks instead of chasing every render.

State management is the process of managing the state of an application. This article explains what state management is, how it works, and why it is important.

Hydration is the process through which client-side JavaScript attaches application behavior to HTML that was already rendered on the server. This article explains what hydration is, how it works, a...