Lozad js is a highly performant, light ~0.5kb and configurable lazy loader in pure JS with no dependencies for images, iframes and more, using IntersectionObserver API.
Features:
- lazy loads elements performantly using pure JavaScript,
- is a light-weight library, just 535 bytes minified & gzipped,
- has NO DEPENDENCIES 🙂
- allows lazy loading of dynamically added elements as well,
- supports responsive images and background images