Mobile-friendliness refers to the design and functionality of a website that ensures a seamless and user-friendly experience on mobile devices such as smartphones and tablets. With the increasing use of mobile devices to access the internet, mobile-friendliness has become a critical aspect of web design and digital marketing. A mobile-friendly website typically features a responsive design, which means that the layout and content automatically adjust to fit the screen size of the device being used. This eliminates the need for users to zoom in and out or scroll horizontally to view content, thereby enhancing the user experience. Additionally, mobile-friendly sites often have faster load times, simplified navigation, and touch-friendly buttons and links, making it easier for users to interact with the site. Search engines like Google prioritize mobile-friendly websites in their search rankings, recognizing their importance in providing a good user experience. Therefore, businesses must ensure their websites are mobile-friendly to cater to the growing number of mobile users and to improve their online visibility and competitiveness.