It sounds like you are talking about Dogfoodadvisor.com
Just take it's analysis with a grain of salt, and take it as a starting point only -- not complete research. It assumes the label is an accurate statement of ingredients (many recalls have shown that's not always true). It also assumes all sourcing is equally desirable (so organic-certified US, Canadian, and New Zealand-sourced ingredients are equal to China-sourced ingredients in their methodology) -- and that's a real blind spot for their methodology. Sourcing is at least as important as the label proportions, based on recent recalls.
I worry that its rise as a trusted website has perhaps helped prompt some consumers take their eye off the ball in terms of ingredient transparency by making it too easy to cheat on the label.