This document provides an overview of SEO best practices from the perspective of an SEO expert. It discusses common issues SEOs see like indexation problems, duplication of content, and canonicalization issues. It provides examples and explanations of each problem and recommends solutions like using canonical tags and 301 redirects. The presentation emphasizes planning early for SEO and implementing best practices from the start to avoid issues later. It also notes that responsive design helps with SEO and mobile users.