Google Optimize and Optimize 360 are scheduled to sunset on September 30, 2023, prompting businesses to explore alternative solutions for conversion rate optimization (CRO) as Google invests in third-party A/B testing integrations for Google Analytics 4 (GA4). The need for effective CRO strategies is underscored by potential growth in revenue, improved user experience, and increased customer retention, which are essential for various sectors including SaaS, eCommerce, and FinTech. However, challenges arise when relying on limited data from GA4's codeless tracking, which can lead to incomplete insights and suboptimal experiments. Heap and Optimizely offer a comprehensive solution through integrated capabilities, enabling seamless access to complete behavioral datasets, advanced personalization, and experimentation tools. This partnership provides digital teams with real-time reporting, flexible experimentation features, and enhanced user journey analysis, allowing businesses to optimize conversion rates and customer experiences efficiently. Additionally, special migration packages from Heap and Optimizely are available to facilitate the transition from GA4 and Optimize, offering businesses an opportunity to enhance their analytics and experimentation frameworks.