Hi everyone im really stressed from few days i own my website its about iphone unlocking my business was going cool .but as everyone knows human a greedy dog so i decide to start search marketing and after few days i saw my sale going down and down and when i saw my ranking with my top keyword i was shocked my ranking skipped from 1 to 25 ,ya really from one to 25 rank its a nightmares for me i dont know what happened i have not changed any keyword .can you guys tell me what happened .