In today's era of contemporary activism, social media (SM) platforms are becoming an essential medium for fostering social movements and activism, especially in growing regions like Bangladesh, where digital connectivity is rapidly expanding. This study explores the intricate relationship between various user experience (UX) elements, including hashtags, banners, information cards, reels, videos, captions, and live streams, and their efficacy in driving social change through digital activist campaigns on social media in Bangladesh. By leveraging both online and offline surveys, this research employs a quantitative approach to examine the behavior of regular social media users in Bangladesh. Key findings from this study suggest that strategically designed visual UX elements, such as videos or reels and social media banners, significantly influence the efficacy of activist campaigns on social media, demonstrating their ability to stimulate social change. Efficient user experience (UX) can help accomplish social change goals by enhancing user engagement and disseminating information. This study offers valuable insights for UX practitioners in Bangladesh who wish to utilize social media as an opportunity to facilitate constructive social change.