An effective website is not just about aesthetics; it’s about functionality and user experience (UX). Many businesses, however, fall into common web design traps that compromise UX, such as slow-loading pages, cluttered interfaces, and non-intuitive navigation. This article identifies the most frequent mistakes web designers make and offers practical tips to avoid them. From optimizing load times to simplifying navigation and making calls-to-action clear, ensuring a smooth user experience can significantly increase engagement and conversion rates.