http://www.webgranth.com/wp-content/themes/NiceBird-WP-Theme/assets/js/nb.infinitescroll.js
http://javainsimpleway.com/wp-content/themes/nicebird/assets/js/nb.infinitescroll.js
https://www.madlife.fr/wp-content/themes/nicebird/assets/js/nb.infinitescroll.js