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Hi Nathaniel, Sorry to be late to the party, but I just noticed this because I was doing some research on Prestashop and SEO. (Considering helping a client on that platform.) I came across a person who might be able to help you - Lesley Paone. Lesley is "an expert in PrestaShop development and is also a PrestaShop certified developer. He is also one of the global moderators of PrestaShop's e-ecommerce forum, which is one of the largest e-commerce forums on the internet. He is also an SEO relating to e-commerce sites and is very active on the SEO forums for Moz as well."  You can find him on Twitter at @lesleypaone, on his site at dh42.com, and by private messaging him here on Moz. Good luck! .