Conversion rate optimization (CRO) focuses on improving the percentage of website visitors who take the desired actions, such as making a purchase or filling out a form. Data analytics plays a vital role in CRO by providing insights into user behaviour, identifying pain points in the customer journey, and optimizing website elements for maximum conversions. By utilizing A/B testing, heat maps, and user session recordings, e-commerce businesses can analyse the effectiveness of various design elements, calls-to-action, and checkout processes. Data-driven optimization strategies empower businesses to make informed decisions about web design, copywriting, and user experience, ultimately driving higher conversion rates and revenue growth.