This document provides an overview of web personalization and why it is important for marketers. It defines web personalization as creating a dynamically personalized website experience for visitors based on their behavior, location, profile and other attributes. The goal is to understand visitors and provide tailored, relevant content. Web personalization delivers a personal experience on a company's website, which is often the main interaction channel with customers. It is important because personalized experiences increase engagement, conversion rates and sales. When done effectively through tools that identify visitor attributes in real-time, web personalization can engage more visitors and improve marketing results.