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Hello CHolidays, I don't see the pop-ups. Has this been changed since your post? Often times on eCommerce sites you'll have a "quick view" window to see the item in a larger photo, and possibly read the product description. There is no single answer as to how this affects SEO because there are many ways to implement it. If I could see an example I would have more feedback. I noticed while checking out the site that you have a broken link in the main navigation. It's the one that goes to the Island-Escapes page (Vacations).