The Defer.js plugin for WordPress is designed to enhance website performance through effective lazy loading of various elements. It supports a wide range of media types, including images, videos, and stylesheets, ensuring a seamless browsing experience. This plugin is backward compatible with legacy browsers, starting from Internet Explorer 9, making it accessible to a broad audience. Its SEO-friendly features and ease of use make it a valuable tool for website optimization.

Defer.js employs advanced techniques to minimize HTML payload size and optimize browser processing, resulting in faster load times. The plugin leverages the IntersectionObserver API for efficient CPU usage and supports responsive images with srcset attributes. With no dependencies on jQuery, it integrates smoothly with popular frameworks, making it a versatile choice for web developers looking to improve their site's performance.