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The Penguin update in April 2012 caused my website to lose about 70% of its traffic overnight and as a consequence, the same in volume of sales. Almost a year later I am stil trying to figure out what the problem is with my site. As with many ecommerce sites a large number of the product pages are quite similar. My first crawl with SEOMOZ identified a large number of pages that are very similar - the majority of these are in a category that doesn't sell well anyway and so to help with the problem I am thinking of removing one of my categories (about 1000 products). My question is - would removing all these links boost the overall SEO of the site since I am removing a large chunk of near-duplicate links? Also - if I do remove all these links would I have to put in place a 301 redirect for every single page and if so, what's the quickest way of doing this. My site is www.modern-canvas-art.com Robin