— Eric Enge and Stephan Spencer and Jessie Stricchiola and and Rand FishkinFlat Versus Deep Architecture One very strict rule for search friendliness is the creation of a flat site architecture. Flat sites require a minimal number of clicks to access any given page, whereas deep sites create long paths of links required to access detailed content.
Replicated under Fair Use from The Art of SEO by Eric Enge and Stephan Spencer and Jessie Stricchiola and and Rand Fishkin.