http://www.jobgurus.com.ng/assets/js/holder.js
http://allpicts.in/wp-content/themes/wallstrap/assets/js/holder.js
https://www.jagat.or.jp/wp-content/themes/jagat/js/holder.js
http://www.niceic.com/CMSTemplates/NICEIC/Includes/js/libs/holder.js
http://guiaalpha.com.br/plugins/holder.js
http://www.vhu.cz/wp-content/themes/vhu2/js/holder.js