--- title: "What is Conversion Rate Optimization?" url: https://fibr.ai/glossary/conversion-rate-optimization description: "Conversion rate optimization uses data, UX improvements, and testing to increase user actions, reduce friction, and continuously refine the user experience." last_updated: 2026-05-05T11:56:11.172857+00:00 --- Conversion rate optimization is the structured, data-driven practice of increasing the percentage of users who complete desired actions without having to increase traffic. It combines behavioral analysis, UX improvements, copy refinement, and structured experimentation to reduce friction and boost motivation. Instead of guessing, optimization starts with research. If users abandon a form or checkout page, teams evaluate whether slow load times, unclear instructions, poor visual hierarchy, or trust concerns are blocking progress. From there, they test clearer CTA text, shorter forms, simplified navigation, or trust-building elements like reviews or security badges. Mature CRO programs focus on continuous learning. Teams document what works, why it works, and how improvements connect to user needs and brand positioning. Over time, optimization compounds results and strengthens the overall user journey. ### Explore more Glossary terms ##### Customer Journey Mapping Customer Journey Mapping visualizes how customers move through stages like awareness, consideration, purchase, onboarding, and loyalty. Read More ##### Customer Journey Management Customer Journey Management focuses on designing, monitoring, and improving the end-to-end experience users have with a brand across channels. Read More ##### Customer Data Platform A Customer Data Platform (CDP) unifies data from multiple touch-points, such as websites, apps, CRM systems, and support tools into a single, persistent customer profile. Read More ##### Customer Acquisition Cost (CAC) Customer Acquisition Cost (CAC) measures how much a business spends to acquire one new customer, including marketing, sales, and sometimes onboarding expenses. Read More ##### Custom Conversion A custom conversion is a user-defined goal in analytics or advertising platforms used to measure specific actions that matter to a business. Read More ##### CUPED CUPED (Controlled Pre-Experiment Data) is a statistical technique used in experimentation to reduce variance and improve test sensitivity. Read More Delaware, USA Subscribe to our newsletter for exclusive updates and insights.