Find out where shortened URLs lead to without clicking
http://www.17cats.com/newblog/post/5e97afbf/?avg=02GkPzixuggag14l&bx=16617841&wsx=202732&cox=qS81bpOakug8YLd4&utm=guang5
http://www.17cats.com/newblog/post/5e97afbf/?avg=02GkPzixuggag14l&bx=16617841&wsx=202732&cox=qS81bpOakug8YLd4&utm=guang5