FooGallery is the best and responsive photo gallery plugin. It allows you to add beautiful photo galleries to your Website in minutes. It is an easy-to-use plugin with great gallery layouts. It is responsive, retina-ready, and supports lazy loading for lightning-fast galleries. The plugin has loads of features to offer like gallery widget, retina thumbnail support, live previews for admin, drag and drop reordering for images, custom CSS for both galleries and albums, visual shortcodes, multisite support, and much more.