Blurry Loading Animation with HTML, CSS & JavaScript | Smooth Preloader UI Tutorial 2025

Blurry Loading Animation with HTML, CSS & JavaScript | Smooth Preloader UI Tutorial for Modern Web Design (2025)

Master front-end development by building a high-impact blurry loading animation using pure HTML5, CSS3 (blur filters, Flexbox) and vanilla JavaScript—no frameworks. This preloader UI design tutorial teaches a full-screen responsive background that dynamically unblurs with a smooth loading percentage counter and elegant fade-out transitions. Learn to implement setInterval, clearInterval, and a custom scale() function for seamless UX. Ideal for portfolio sites, SaaS applications, PWA splash screens, and landing page optimization to enhance user engagement and web performance. Perfect for front-end developers, UI/UX designers, web developers, and performance-driven pros.

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