I think you are referring to dogfoodanalysis.com. It is a recommended site on here quite frequently. However, it's important to keep in mind that although the site has alot of good information, it is written based entirely on the opinion of the site owner, not long term research. (I put too much stock in the opinions on the site alone and it almost killed one of my dogs!
) So don't let your research start and end there.
I would suggest also trying:
Dog Food Review Ratings
It lists numberous links to sites w/ great information and diets of a wider range--commerical products, raw feeding and home cooking--much more information that will help you out.
