This document discusses how to properly migrate an e-commerce store's SEO rankings when redesigning a website. It notes that if SEO is not migrated properly, rankings will fall, organic traffic will drop, and sales will decrease. It provides tips for migrating SEO rankings, including performing an audit of current rankings, determining ranking factors, building those factors into the new site, and resubmitting pages for reindexing. The overall message is that a website redesign requires careful SEO migration to maintain traffic and sales.