This document will tell you how to find out what sites are linking to you, give you the results for how many pages of your site are in Yahoo, and more.
Yahoo's Webmaster Resources ga-agwa gị otu esi achọpụta ebe saịtị na-ejikọ gị, nye gị nsonaazụ maka ọtụtụ peeji nke saịtị gị dị na Yahoo, na ndị ọzọ.