RealEye (https://www.realeye.io) is an online platform that specializes in eye-tracking technology to provide insights into user attention and experiences. Using advanced real-time analytics, RealEye helps businesses evaluate how users interact with websites, advertisements, or any digital content, by analyzing where they look and for how long. This technology is instrumental in understanding consumer behavior and improving user interface design, marketing strategies, and overall user engagement. RealEye delivers these insights without the necessity for traditional, expensive eye-tracking hardware, by leveraging commonly owned devices like laptops and smartphones, making advanced eye-tracking studies accessible to a broader range of businesses and researchers.