http://www.okaz.com.sa/new/assets/js/prefixfree.min.js
http://www.thewildhoneypie.com/wp-content/themes/Backstreet/js/prefixfree.min.js
http://www.iranradiator.ir/wp-content/themes/wp-creativix/scripts/prefixfree.min.js
http://rentacar.besttourism.ro/js/libs/prefixfree.min.js
http://www.vspp.cz/Frontend/Webroot/js/prefixfree.min.js