Find out where shortened URLs lead to without clicking
http://www.17cats.com/newblog/post/a529d16d/?bx=266666&svg=275405&avg=0.850285597812589&avg=NgTuaGSUqhRe2QL1&utm=guang5
http://www.17cats.com/newblog/post/a529d16d/?bx=266666&svg=275405&avg=0.850285597812589&avg=NgTuaGSUqhRe2QL1&utm=guang5