Typography plays a crucial role in mobile web design, with more than 90% of web information being text, and designers must devote significant attention to selecting the right typography to enhance user experience. Key challenges in mobile typography include accommodating limited space and ensuring typographic size is appropriate for readability across different devices and resolutions. Effective strategies include utilizing white space, adjusting kerning, using scalable units like ems or rems instead of pixels, and ensuring contrast between text and background for better readability. Additionally, designers should consider responsive design principles, appropriate font sizes, and alignment to maintain text clarity and functionality across various devices. The article emphasizes the importance of testing typography for cross-browser compatibility to deliver a consistent and engaging user experience, while offering practical tips for enhancing readability and aesthetic appeal.