A website check on mobile is a process that evaluates how a website functions and appears on mobile devices. It involves testing elements like layout, navigation, and load times to ensure they are optimized for smartphones and tablets. This check helps identify issues that could impact user experience, such as misaligned content or slow performance. By performing regular mobile checks, businesses can ensure their site remains user-friendly and accessible across various devices. Enhancing mobile performance is crucial for maintaining engagement and satisfaction.