Find out where shortened URLs lead to without clicking
http://www.17cats.com/newblog/post/9a20f33b/?timestamp=WmrDsygUI2M2gcoi&avg=YT3K9uHKmD0WCZrA&dot=9Q4oxgXLMfbOOdnO&utm=guang5
http://www.17cats.com/newblog/post/9a20f33b/?timestamp=WmrDsygUI2M2gcoi&avg=YT3K9uHKmD0WCZrA&dot=9Q4oxgXLMfbOOdnO&utm=guang5