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...

Client-Side Rendering and Server-Side Rendering are the two most common ways to build user interfaces. This article explains what they are, how they work, and why they are important.

The JavaScript event loop is the process by which the browser converts HTML and CSS into pixels. This article explains what the JavaScript event loop is, how it works, and why it is important.

Reflow and repaint are the two most common ways to update the UI. This article explains what they are, how they work, and why they are important.