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If you Google the keyword "used iPhone 5," the URL ranking #1 in the SERP is the following: http://buy.gazelle.com/buy-used-iphone-5/ This page has zero content on it and a button on it that takes you to a category page with the iPhone 5 pre selected. My question is **how does this page outrank the sites products pages? **I ran a backlink analysis and don't see any links pointing to that URL. Also, **how does this site deal with its duplicate content issues? **If you look at the following URLs, you'll see a bunch of duplicate content in the "Key Features" section below the fold. http://buy.gazelle.com/buy/used/iphone-5-16gb-at-t http://buy.gazelle.com/buy/used/iphone-5-16gb-sprint If you think about it, this site will have different product pages for each variations of cellphone carrier and cellphone storage capacity. So for an iPhone 5, they will have 15 pages! Any insight into this would be much appreciated!

Hi Guys, I am wondering what the best practices are for avoiding duplicate content on product pages that have shared content. For example, say I have a 3 different product pages for each of the following: Verizon IPhone 5 16GB, AT&T IPhone 5 16GB, AT&T IPhone 5 32GB. Obviously each product is for the most part the same (all are IPhone 5). The only differences lie in the carrier of the phone and the storage capacity. I want to write product descriptions for each page to target a variety of different keywords, but I don't want to get penalized for duplicate content. Does anybody have any experience in what the SEO best practices are for product pages that have shared content like this? Thank you!