Optimizing Web Performance: Lazy Loading Images and Fonts

Slow-loading web pages frustrate users and hurt search engine rankings. A significant portion of this delay comes from heavy, unoptimized images and render-blocking web fonts that stall text display. This text-based course teaches you how to optimize web assets to make your websites load faster and run smoother. You will discover how to defer non-critical assets, implement modern loading strategies, and deliver a seamless user experience without sacrificing design quality. What you'll learn: - Understand foundational web performance metrics, including Core Web Vitals like Cumulative Layout Shift and Largest Contentful Paint. - Implement native HTML lazy loading and decoding properties to defer non-critical images. - Apply modern image formats like WebP and AVIF with responsive markup to minimize transfer sizes. - Configure the CSS font-display property to prevent invisible text during font loading. - Practice optimizing font delivery using preloading strategies and modern variable fonts. - Analyze asset loading behavior using browser developer tools to identify performance bottlenecks. You will start with the core terminology of web performance and asset delivery before moving on to practical optimization techniques. Through clear written explanations and structured code snippets, you will learn how to write clean, performance-first HTML and CSS. This course is designed for beginner web developers, designers, and site owners who want to build faster websites, with no prior performance optimization experience required. Start optimizing your web projects and deliver lightning-fast experiences for your users today.