This document outlines over 150 factors that influence a website's search engine optimization (SEO) performance across several categories: domain, server, architecture, content, internal linking, keywords usage, outbound links, backlinks, individual backlinks, visitor behavior, and penalties/manipulation. Some key factors include domain age, site structure, content quality/uniqueness, internal linking, backlink profile, keywords prominence, and visitor engagement. The large number of technical elements considered demonstrates how complex SEO can be.