If direct page URLs did not exist, we would always have to enter a website at the homepage level and follow one or more usually repetitive steps every time to get to the page in mind. … The tangible, even monetary, value of the public URL structure of an e-commerce website can be realized in the revenue generated from the organic, hard-to-obtain, free search engine traffic that is brings, amongst many other things such as return and referral visits by customers, …

Go here to see the original:
URL Structure Changes & SEO-Friendly Website Migration …

Popularity: unranked [?]