How to build animated page loaders in CSS

Animated page loaders are essential elements in web design that enhance user experience by indicating active processing, reducing perceived wait times, and engaging users with entertaining visuals. They provide feedback that a system is still functioning, helping to alleviate user frustration during unavoidable delays. Animated loaders are particularly relevant in modern web applications, such as those built with React, where they can be implemented efficiently using CSS for smooth and fast animations. CSS is favored for its ease of customization and performance benefits over JavaScript, as it offloads animation logic to the browser. The text discusses how to create a simple spinning wheel loader using HTML and CSS, highlighting the importance of keyframes in defining the animation sequence. Additionally, it explores different types of page loaders, such as duration loaders, endless animations, custom animations, and reason loaders, each serving to keep users informed and engaged during loading processes. These elements are crucial in improving perceived performance and maintaining user engagement, ensuring that users remain on a site despite potential delays.