Quality of Experience (QoE) refers to the overall satisfaction and perception users have while interacting with applications, networks, or digital services. It measures how users experience performance factors such as speed, video quality, voice clarity, responsiveness, and reliability. Unlike Quality of Service (QoS), which focuses on technical network metrics, QoE emphasizes the end-user perspective. Organizations use QoE analysis to identify service issues and improve customer satisfaction. Factors like latency, jitter, buffering, and downtime directly affect user experience. QoE plays an important role in telecommunications, streaming platforms, cloud services, and enterprise applications by ensuring smooth and reliable digital interactions.