hello i have a website actually its warez site. and i still confused about search engine ranking. it has page rank 3 my site have top 5 search engine ranking with highly targeted keyword. with keyword " full pc game" my site have 3rd rank and with keyword "full pc games" its fluctauating highly for example today i got no1 position in google search but sometime its completely disapper from google search with this keyword. i want to know is there any problem?? why its fluctuating?? i just played with the keywords and never used any blackhat tricks