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We recently started using Moz on our ecommmerce site because I'm concerned that our SEO company doesn't really know what they are doing and I want to see what I can do on my own with the little bit of knowledge I have. It's helping in a number of ways but here's a big question mark: The Grader Tool keeps telling us that our product category pages have too many keywords on them. We are only using them in the content once or twice, but the sub-category buttons on the page show the category + sub repeated. Could this be what's causing it? Does Google distinguish this for ecommerce? We've taken a huge hit in rankings for key phrases and keywords over the past six months and I'm wondering if this is part of it?