According to a comment on DigitalPoint forum, if you are interested in improving your Google SERPs, then it’s your Google backlinks you should be analyzing. If you are interested in improving your Yahoo SERPs, then by all means use the Yahoo site explorer.
http://forums.digitalpoint.com/showthread.php?t=1632350
Retail SEO is becoming more complex. Major organizations are seeing the need to form SEO Monopolies under brand names, product names, and strategic keywords.
