hi I suggest to please go through below mentioned website - Google - http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=35769 Yahoo - http://help.yahoo.com/l/us/yahoo/search/basics/basics-18.html
Thanks everybody. But I want to know, why one of my site has good page rank in 'google' & my site appear number one position according my desire keyword ....... But why not same things in yahoo or msn???? ......... why I dont see my site after 10 pages in yahoo or msn??? Please reply...
Yes I have the same feeling. I rank most of the time in the top 50 of Google for my main keyword yet don't appear in the top 500 of Yahoo. Funnily enough, a spin off site I made that copied most of my content and has had no off page whatsover ranks #82 in Yahoo for the same keyword.
My experience is that Yahoo takes longer to rank for keywords than Google. Google is much more dynamic while Yahoo trudges along. After some time, your rankings will climb in Yahoo similar but not exactly the same as Google. I also agree that on page SEO is probably more important in Yahoo and has a much bigger effect than in Google. Keep working on page and off page factors, and after some time (usually in months) Yahoo will catch up (close anyways) in SERPs to what you have in Google. Hope this helps