The article provides a detailed exploration of common cross-browser compatibility issues faced by developers and offers solutions to address them. It highlights the challenges of ensuring website functionality across a diverse array of browsers and devices, emphasizing the importance of proper testing to avoid rendering problems. Key issues discussed include the absence of DOCTYPE declarations, outdated JavaScript failing to detect browsers, and variations in HTML/CSS validation across different browsers. Solutions suggested include using code validation tools, CSS resets, and modern layout mechanisms like CSS grids and Flexbox. The article also advises on using cross-browser friendly libraries and frameworks and the necessity of testing websites on real devices and browsers using platforms like LambdaTest. By implementing these strategies, developers can ensure a seamless user experience across different platforms.