AlexWebLab

Explore a wide range of web development topics, from JavaScript to React and beyond, and uncover valuable insights to enhance your skills.

Latest 2 articles:

The Critical Rendering Path (CRP)

Performance

Before a user sees anything on screen, the browser has to go through a precise sequence of steps. Understanding that sequence — the critical rendering path — is the foundation of every meaningful frontend performance optimization.

React's Reconciliation Algorithm Explained

Rendering & Frameworks

Every time state or props change, React has to figure out what actually changed in the UI and update only those parts. The process behind this decision is called reconciliation — and understanding it will change how you write components.