This document provides an overview of structured data and how to plan and implement it effectively. It discusses the giant global graph and semantic web concepts. Schema.org is introduced as a way to add structured data tags to pages. The benefits of structured data like improved rankings and user experience are outlined. The document then covers how to plan structured data by auditing pages, identifying appropriate schema types and properties. Implementation tips around templating, testing and monitoring structured data are provided. Common pitfalls to avoid are also highlighted.