The "504 Gateway Time-out" app, featuring the Xesto Fit iOS sizing technology, revolutionizes shoe-shopping by ensuring you find the ideal fit every time. By simply scanning your feet with your iOS device, the app provides accurate shoe size recommendations, eliminating the guesswork associated with online footwear purchases. Integrate the Xesto Sizing Widget directly into your product pages to offer users a seamless sizing experience, enhancing customer confidence and satisfaction. This app provides valuable insights by tracking which users utilize the widget, helping businesses understand their customer base. Designed for versatility, it works effortlessly across both mobile devices and desktops. By merging convenience with precision, the "504 Gateway Time-out" app sets a new standard in shoe fitting and customer engagement.