Lazy Loading Responsive Images

Screenshots

Lazy loading images plugin that works with the responsive images feature introduced in WordPress 4.4. Based on lazysizes.js. Lazy loads: Images inserted in posts, pages, Custom Post Types, … Post thumbnails. The plugin adds a noscript element as fallback for disabled JavaScript. The plugin does not lazy load CSS background images. It also does not work for images that are added using wp_get_attachment_image(), because there cannot be a noscript fallback be added. You can disable lazy loading for specific image classes by adding them in the customizer (Appearance › Customize › Lazy loading options). Or use the data-no-lazyload attribute.