OK,i was check my keyword at google..
1.manually checked,its no 3 on first page google..
2.check using hidemyass,my website ranked 21
3.via this,http://easyseotracking.com/google-serp-checker/ ranked 18
4.via this,http://www.searchenginegenie.com/google-rank-checker.html ranked 28
So,what tool...